YCS San Jose, Costa Rica: Round 4 Pairings
Here are the pairings for Round 4:
| Table | Player 1 | vs. | Player 2 |
| 1 | Wathuthantrige, Esala Sammidha de Alwis | vs. | Guerrero Zelaya, Isaac Baruc |
| 2 | Tsai, Everton Lucas | vs. | Mena Campos, Esteban Jesus |
| 3 | Molina, Grabiel Jose FL | vs. | Ovalle Rivera, Angel Fernando |
| 4 | Torres Esquivel, Axel | vs. | Terrazas Hernandez, Carlos Alejandro |
| 5 | Figueroa Sanchez, Victor Eduardo | vs. | Godinez Murillo, Ivan Andres |
| 6 | Jimenez Acosta, Tomas | vs. | Arguedas Villalobos, Mauricio Alonso |
| 7 | Siles Loaiza, Emanuel | vs. | Oliva Martinez, Oscar Gerardo |
| 8 | Amat, Yahir Edward | vs. | Palomo Urena, Gustavo |
| 9 | Morales Ramirez, Guillermo Benjamin | vs. | Montero Alfaro, Berny Antonio |
| 10 | Rodriguez Tejada, Juan Renan | vs. | Ruiz Paz, Erick Jose |
| 11 | Urena, Cristian Rafael | vs. | Herrera Salazar, Jurgen |
| 12 | Aronson, Paul Stephen | vs. | Huezo Mancia, Abraham Salvador |
| 13 | Amin, Tej | vs. | He, Simon Yu Xiang |
| 14 | Fletcher, Ryan FL | vs. | Diaz Torres, Jorge Alejandro |
| 15 | Neiva Aranguren, Juan Camilo | vs. | Miranda Vargas, Sergio |
| 16 | Segura Carballo, Alexander Josue | vs. | Caballero Vargas, Luighi Daniel |
| 17 | Sahli, Yacine | vs. | Cubero Quesada, Jose Alberto |
| 18 | Monge Murillo, Stwath Ricardo | vs. | Ramirez Medina, Anthony Alexander |
| 19 | Ramos Mendez, Ricardo Abel | vs. | Mora, Joshua Artavia |
| 20 | Chavarria, Adrian Arturo | vs. | Soto Castro, Jean Carlo |
| 21 | Anaya Bermudez, Santiago Andres | vs. | Copado Figueroa, Juan Francisco |
| 22 | Leiton Contreras, Manuel Fabian | vs. | Lopez Lopez, Luis Diego |
| 23 | Salverredy Barycki, Joshua | vs. | Monge Gomez, Francisco Javier |
| 24 | Osores, Jose Anthony Bren | vs. | Lacan Archila, Manuel Alejandro |
| 25 | Hoban, Patrick Jefferson | vs. | Arce Ramirez, Fabian Fabricio |
| 26 | Crooks-Valdez, Kamal Derrick El | vs. | Barboza Moraga, Jonathan |
| 27 | Quesada Roman, Isaac | vs. | Bolanos Chaves, Victor Daniel |
| 28 | Cortes Zumbado, Carlos Andres | vs. | Alva Cuadros, Jose Luis |
| 29 | Labansat Cardona, Christopher | vs. | Arrieta Murillo, Cristian Jose |
| 30 | Arguedas Ruiz, Adrian | vs. | Medina, Marvin |
| 31 | Villalobos Campa, Juan Carlos | vs. | Guevara Castillo, Jose Roberto |
| 32 | Moya Solis, Samuel Adrian | vs. | Ramirez Chavarria, Dennis Alberto |
| 33 | Ramos Garcia, Oscar Enrique | vs. | Martinez Romero, Alejandro Jose |
| 34 | Varela Salazar, Steven | vs. | Porras Alpizar, Ronald Fabian |
| 35 | Pamornsut, Pakawat Thomas | vs. | Miranda Calderon, Luis Carlos |
| 36 | Campos Vargas, Steven Daniel | vs. | Li Tan, Roberto |
| 37 | Davila Vega, Carlos Daniel | vs. | Liang Ma, Andres |
| 38 | Rodriguez Vargas, Juan Carlos | vs. | Sandoval Herrera, Steven de Jesus |
| 39 | Saborio Sequeira, Cesar Antonio | vs. | Molina Hernández, Alexander |
| 40 | Sierra Villa, Luis Alfredo | vs. | Martinez Quiroz, Luis Abraham |
| 41 | Arce Mendez, Francisco | vs. | Calderon Viva, Giovannie |
| 42 | Roy, Shovon ON | vs. | Izaguirre Ordonez, Jorge Isaac |
| 43 | Mendez Vargas, Walter Eli | vs. | Valverde Fernandez, Warner Alberto |
| 44 | Navarro Jr, Roberto | vs. | Jimenez Luna, Francisco |
| 45 | Ventura Granados, Bequer Abdiel | vs. | Ramirez Monge, Jose David |
| 46 | Rodriguez Alfaro, Joseph | vs. | Espinoza Flores, Joseph Daniel |
| 47 | Zuniga Odio, Dennis | vs. | Sanchez Godinez, Jonathan |
| 48 | Cadena Rivera, Johnny Josue | vs. | Rodriguez Flores, Diego Alfonso |
| 49 | Hernandez Monzon, Jose Ramon | vs. | Huang Espinoza, Dannel |
| 50 | Gordon Bustamante, Rolando Alberto | vs. | Rodriguez Flores, Max Andres |
| 51 | Vargas Flores, Manuel Alejandro | vs. | Leon Fallas, Dennis Esteban |
| 52 | Bautista, Eddie J. | vs. | khan, zara |
| 53 | Lopez Gonzalez, Rodrigo Manuel | vs. | Lopez Coscia, Cezar Victor |
| 54 | Tominez, Brandon Ray | vs. | Mejia Ulate, Greivin Jesus |
| 55 | Neven, Raphael Pelaja | vs. | Rodriguez Mejias, Fabian Mauricio |
| 56 | Vega Valentin, Luciano | vs. | Alpizar Salazar, Isaias Andres |
| 57 | Leon Valerio, Roy Andrey | vs. | Otterstrom Alvarez, Ralph |
| 58 | Guevara Duarte, Jose Andres | vs. | Delgado Portilla, Gerardo Jesus |
| 59 | Keys, Barrett Arthur | vs. | Lopez, Jafet Andres |
| 60 | Garcia Acosta, Luis Gerardo | vs. | Gonzalez Carvajal, Emmanuel |
| 61 | Campos Valverde, Eddy Emanuel | vs. | Herrera Castro, Michael Virgilio |
| 62 | Shah, Ankit H. | vs. | Diaz Orozco, Daniel |
| 63 | Porras Cordoba, Keylor Gerardo | vs. | Mora Reyes, Jocsan |
| 64 | Joma Lopez, Jairo David | vs. | Picado Hidalgo, Jose Daniel |
| 65 | Munguia Fonseca, Ulises Tadeo | vs. | Leiva Padilla, Steven |
| 66 | Cordoba Vanegas, Josue | vs. | Angulo Garcia, Luis Eduardo |
| 67 | Cruz, Alejandro FL | vs. | Zuñiga Mata, Erick Arnoldo |
| 68 | Garcia Stagnaro, Aldo Santiago Antonio FL | vs. | Betrano Sarmiento, Rodrigo Alberto |
| 69 | Matamoros Aguilar, Carlos Andres | vs. | Rios Gonzalez, Luis David |
| 70 | Viquez Navarro, Jeffry Alberto | vs. | Rojas Serrano, Roberto |
| 71 | Aguero, Hansel Erik | vs. | Beygelman, Noah Michael |
| 72 | Fasta Singh, Giancarlo Alberto | vs. | Granados Monge, Esteban Isaac |
| 73 | Rodriguez Zarate, Cesar Augusto | vs. | Gomez Gomez, Jair Eduardo |
| 74 | Cespedes Castillo, Jeremy Rafael | vs. | Vega Campos, Joshua |
| 75 | Rodriguez Acosta, Juan Carlos | vs. | Sanchez Aparicio, Andony |
| 76 | Rodriguez Soza, Kevin Roller | vs. | Cordero Angulo, Anthony Daniel |
| 77 | Ramirez Quesada, Alvaro Eduardo | vs. | Vindas Rodriguez, Esteban |
| 78 | Huertas Mesen, Eduardo Arturo | vs. | Leandro Varela, Christian |
| 79 | Quiros Munoz, Carlos Luis | vs. | Villatoro Montenegro, David Alexander |
| 80 | Fonseca Aguilar, Oscar Enrique | vs. | Ramos Velasquez, Luis Marcelo |
| 81 | Perez Najera Ortega, Claudio Rodrigo | vs. | Chaves Rodriguez, Josue |
| 82 | Jawhari, Hisam Yasser | vs. | Gonzalez Robles, Adrian |
| 83 | Gomez Gonzalez, Roger Jose | vs. | Matarrita Hidalgo, Rodrigo Javier |
| 84 | Carrillo Toscano, Jose Carlo | vs. | Castillo Castellanos, Kevin Isvael |
| 85 | Perdomo Ochoa, David Osmundo | vs. | Lopez Mendoza, Diego |
| 86 | Mendez Reyes, Jaime Javier | vs. | Lam Yeung, Michael |
| 87 | Lagunes Maltret, Jose | vs. | Vargas Delgado, Brandon |
| 88 | Brenes Leon, Michael | vs. | Brenes Guillen, Moises Rodrigo |
| 89 | Da Silva Luiz, Michel Verissimo | vs. | Gonzalez Viquez, Juan Diego |
| 90 | Varela Gutierrez, Josue Alejandro | vs. | Ramirez Corrales, Kendall Javier |
| 91 | Garnica Castañeda, Jose Luis | vs. | Vargas Rodriguez, Marco Antonio |
| 92 | Carrasco Lopez, Leonardo | vs. | Rodriguez Murillo, Marlon Jay |
| 93 | Lazo Mares, Ciro Rafael | vs. | Villanueva Priego, Erick |
| 94 | Marenco Garcia, Nelson Abel | vs. | Rodriguez Monzalez, Rolando Ventura |
| 95 | Camargo Martinez, Sebastian | vs. | Quesada Mata, Mauricio de Jesus |
| 96 | Solis Alfaro, Gabriel Andrés | vs. | Vargas Monge, Erick Fabricio |
| 97 | Gomez Quesada, Allan Martin | vs. | Leon Fallas, Bryan Josue |
| 98 | Astacio Acevedo, Roger Alexander | vs. | RUIZ VALLE, JERSSON SMITH |
| 99 | Solano Quesada, Jefferson Steven | vs. | Pizarro Rodriguez, Henry |
| 100 | Gabarrete Arauz, Fredy Alcides | vs. | Cubillo Vargas, Antonio |
| 101 | Perez Padilla, Carlos Andres | vs. | Brenes Artavia, Ricardo Andres |
| 102 | Lobo Garro, Cesar Mauricio | vs. | Aguero Corrales, Josue Rodolfo |
| 103 | Bloise Benavides, Jose Domingo | vs. | Chanto Vargas, Sergio Jose |
| 104 | Jimenez Segura, Steven Alberto | vs. | Torres Castellanos, Jonathan Jafet |
| 105 | Arce, Jesus COS | vs. | Santiago Miranda, Reynaldo |
| 106 | Gutierrez Brenes, Gabriel Enrique | vs. | Quesada Chavarria, Cesar Francisco |
| 107 | López Jiménez, Jorge Luis | vs. | Garcia Montoya, Rafael Alejandro |
| 108 | Castro Guerrero, Hector Dayan | vs. | Moreno Cuevillas, Max |
| 109 | Ramírez Corrales, Ricardo | vs. | Badilla Zambrana, Jefferson David |
| 110 | Guevara Barcenas, Josue Daniel | vs. | Agostini Cabrera, Rafael Antonio |
| 111 | Serracin Soto, Kenneth Steven | vs. | Vargas Soto, Joshua Gerardo |
| 112 | Cervantes Vargas, Erick Fabian | vs. | Castillo Arias, Jose Pablo |
| 113 | Palacios Garcia, Miguel Eduardo | vs. | Conde Lara, Victor Isaac |
| 114 | Obregon Murillo, Jose Daniel | vs. | Chacon Valverde, Bryan Francisco |
| 115 | Quesada Arias, Javier Antonio | vs. | madrigal Saybe, Esteban Gerardo |
| 116 | Rivera Calderon, Yassir Josue | vs. | Li Torres, Maritza del Mar |
| 117 | Porras, Adrian Quesada | vs. | Sanchez Ramirez, Andres Rodolfo |
| 118 | Sanabria Chacon, Julian Andres | vs. | Escarcega Santana, Edgar Leonel |
| 119 | Angulo Lobo, Jean Carlo | vs. | Calderon Jimenez, Allan Jose |
| 120 | Rodriguez Arauz, Fernando Jose | vs. | Rubiano Salazar, Jason |
| 121 | Bejarano Pena, Gilberto Antonio | vs. | Madrigal Saybe, Fabian Alfonso |
| 122 | Vargas Ortega, Abel Sebastian | vs. | Xie Li, Jun Wen |
| 123 | Figueroa Quiros, Henry Johan | vs. | Dubon Rosa, Rodrigo Oscar |
| 124 | Chavez Mendez, Walbin Samuel | vs. | Gonzalez Hernandez, Jairo Javier |
| 125 | Gross Somarribas, Hamilton Jose | vs. | Ayala Artavia, Manuel |
| 126 | Alpizar Gonzalez, Fabian Alberto | vs. | Saldana Obando, William |
| 127 | Arguello Mena, Jorge Carlos | vs. | Torres Quinteros, Isaac Andres |
| 128 | Madrid Labrador, Ideraldo Jose | vs. | Vega Lizano, Bryan Giovanni |
| 129 | Ortiz Ramos, Jose Miguel | vs. | Leon Lobo, William |
| 130 | Arroyo Viquez, Arnoldo | vs. | Umaña Gutierrez, Alberto |
| 131 | Rosses Monge, John Ivan | vs. | Rojas Lobo, Joan |
| 132 | Haweil Samudio, Joshua Israel | vs. | Bogantes Sosa, Naylan Francisco |
| 133 | Esquivel Gomez, Jaime | vs. | Alvarez Herrera, William Gerardo |
| 134 | Beygelman, Michael K. | vs. | Mejia Alfaro, Daniel Alonso |
| 135 | Montero Villegas, Luis Guillermo | vs. | Jackson Ledezma, David |
| 136 | Sanchez Marenco, Andres | vs. | Mena Mena, Jonathan Alberto |
| 137 | Madrigal, Carlos Luis | vs. | Araya Matamoros, Kevin Manuel |
| 138 | Hernandez, Juan Jesus | vs. | Jimenez Duarte, Fabrian |
| 139 | Chacon Cruz, Andres Manuel | vs. | Alvarez Hernandez, Leny de Jesus |
| 140 | Sanchez Hernandez, Erick Mauricio | vs. | Valerio Houston, Taylor Gustavo |
| 141 | Sequeira Mora, Jose Armando | vs. | Sosa Romero, Manuel Antonio |
| 142 | Rodriguez Chinchilla, Luis Miguel | vs. | Campos Elizondo, JeanCarlo Gerardo |
| 143 | Mora Molina, Jose Alberto | vs. | Rojas Arias, Olger Alberto |
| 144 | Garcia Granados, Luis Leonardo | vs. | Vazquez Montilla, Jorge Luis |
| 145 | Alfaro Mendez, Johnny Steve | vs. | Mora Urena, Brayan |
| 146 | Arce Bolanos, Carlos Steven | vs. | Romero Blanco, Anthony Jesus |
| 147 | Ugalde Cruz, Kevin Stiv | vs. | Bonilla Rodriguez, Josue Eduardo |
| 148 | Aguilera Chaves, Luis Fernando | vs. | Vargas Gabuardi, Marcelo |
| 149 | Quan Rivera, Alejandro | vs. | Sequeira Salazar, Jose |
| 150 | Céspedes Campos, Diego Gerardo | vs. | Andrade Cañas, Jose Alejandro |
| 151 | Gonzalez Fonseca, David | vs. | Chaves Arias, Jorge Carlo |
| 152 | Gutierrez Gutierrez, Daniel Esteban | vs. | Guerrero Ramirez, Peter Orlando |
| 153 | Cabezas, Fabian COS | vs. | Astua Madrigal, Alvaro Alonso |
| 154 | Mena Sandi, Axel | vs. | Godinez Mora, Andres Felipe |
| 155 | Ramirez Bolanos, Paulo Cesar | vs. | Brenes Carrillo, Juan Carlos |
| 156 | Leslie Hall, Shaqueil O’Neil | vs. | Cordero Perez, Kenneth |
| 157 | Alvarado Bejarano, Jefry Antonio | vs. | Zhao, Wei Jie |
| 158 | Picado Morales, Marco Vinicio | vs. | Arias Chaves, Luis Alonso |
| 159 | Sanchez Jimenez, Luis Alejandro | vs. | Alfaro Benedict, Billy |
| 160 | Salazar Sojo, Luis Enrique | vs. | Hall Padilla, Jonathan |
| 161 | Ortiz Sanchez, Nelson Alexander | vs. | Perez Gonzalez, Luis Alonso |
| 162 | Espinoza Lezama, Fabian Esteban | vs. | Nuñez Solano, Juan Luis |
| 163 | Sanchez Zuñiga, Jason | vs. | Cordero, Mijael Chamango |
| 164 | Fernandez Solis, Alvaro Elias | vs. | Alvarado Fernandez, Francisco Javier |
| 165 | Picado, Wailon Urena | vs. | Gutierrez Ruiz, Marcell Rufino |
| 166 | Fonseca Arias, Cesar Fernando | vs. | Chinchilla Villarreal, Gabriel Francisco |
| 167 | Morales Morales, Alejandro Jose | vs. | Campos Villalobos, Santiago |
| 168 | Arguedas Delgado, Edwin Ariel | vs. | Chacon Hernandez, Sabrinna Maria |
| 169 | Ulloa Loaiza, Moises | vs. | Tapia Alvarez, Alejandro |
| 170 | Cortes Montero, Jeffrey Jesus | vs. | Leon Lobo, Randall Gerardo |
| 171 | LeBlanc, Christopher Jordan | vs. | Perez Calderon, Roberto Antonio |
| 1001 | Arteaga Gonzalez, Osmin Edgardo | vs. | Martinez Martinez, Kevin |
| 1002 | Asturias San Jose, Ander Inaki | vs. | Rodriguez Rodriguez, Juan Antonio |
| 1003 | Coto Grosser, Daniel | vs. | Villalobos Vargas, Luis Alfonso |
| 1004 | Cruz del Saz, Roger Alberto | vs. | Tello Wong, Joseph Liou |
| 1005 | Garcia Moreno, Alejandro | vs. | Vargas Carballo, Alvaro Jose |
| 1007 | Kotton, Jesse Dean | vs. | Goncalves da Silva, Paulo Roberto |
| 1008 | Rodriguez Quiros, Luis Guillermo | vs. | Madrigal Hernandez, Oscar Mario |
| 1010 | Montejo Peralta, Jose Eduardo | vs. | Chavez Curioso, Key Andree |
| 1011 | Sanchez Obando, Allan Jose | vs. | Mora Abarca, Christopher |
| 1012 | Olivares Perez, Orell Daniel | vs. | Zuniga Cascante, Jaime Elias |
| 1013 | Paredes Guauxochitl, Jesus Antonio | vs. | Barquero Jimenez, Stanley |
| 1014 | Ibarra Barcenas, Angel | vs. | Quintanilla Ochoa, David Mauricio |
| 1015 | Chavarria Vega, Jose Francisco | vs. | Rodriguez Carrillo, Juan Jose |
| 1016 | Jawhari, Hani Yasser | vs. | South Chaves, Gerald Yagans |
| 1018 | Vargas Martinez, Oscar Alexis | vs. | Martinez Velasquez, Carlos Eduardo |
