| Czech Open | 08/22 18:30 | 5 | Gustavo Tsuboi v Hugo Calderano | L | 1-4 | |
| Panamerické hry | 08/09 01:30 | - | Miguel Lara v Gustavo Tsuboi | W | 0-3 | |
| Panamerické hry | 08/08 18:30 | - | Marko Medjugorac v Gustavo Tsuboi | W | 0-3 | |
| Croatia Open | 05/16 10:30 | - | Gustavo Tsuboi v Padasak Tanviriyavechakul | W | 4-1 | |
| Slovenia Open | 05/10 11:20 | - | Yuki Matsuyama v Gustavo Tsuboi | W | 2-4 | |
| World Championship | 04/23 12:10 | 57 | Gustavo Tsuboi v Cristian Pletea | L | 0-4 | |
| Qatar Open - smíšená hra | 03/26 13:30 | - | Joao Geraldo v Gustavo Tsuboi | W | 1-4 | |
| Česká republika - Extraliga | 03/23 10:20 | - | Tiago Apolonia v Gustavo Tsuboi | L | 4-3 | |
| Katar Open - ženy | 10/20 12:45 | 4 | Zhendong Fan v Gustavo Tsuboi | L | 4-0 | |
| Katar Open - ženy | 10/19 13:00 | 1 | Gustavo Tsuboi v Panagiotis Gionis | W | 4-1 | |
| Katar Open - ženy | 10/19 10:30 | 1 | Sangeun Jeong v Gustavo Tsuboi | L | 4-0 | |
| Katar Open - ženy | 05/04 17:00 | 1 | Gustavo Tsuboi v Dimitrij Ovtcharov | L | 1-3 | |
| Katar Open - ženy | 05/03 19:00 | 1 | Tomislav Pucar v Gustavo Tsuboi | W | 2-3 | |
| Katar Open - ženy | 05/03 17:00 | 1 | Andrej Gacina v Gustavo Tsuboi | L | 3-1 | |
| Katar Open - ženy | 05/01 11:30 | 1 | Gustavo Tsuboi v Il Choe | W | 3-2 | |
| Katar Open - ženy | 04/30 17:00 | 1 | Zhendong Fan v Gustavo Tsuboi | L | 3-0 | |
| Qatar Open - smíšená hra | 04/05 17:55 | 1 | Yang Wang v Gustavo Tsuboi | L | 4-3 | |
| Qatar Open - smíšená hra | 02/23 20:00 | 1 | Paul Drinkhall v Gustavo Tsuboi | W | 2-3 | |
| Qatar Open - smíšená hra | 02/23 13:00 | 1 | Yijun Feng v Gustavo Tsuboi | W | 0-3 | |
| Qatar Open - smíšená hra | 02/22 20:00 | 1 | Kwan Kit Ho v Gustavo Tsuboi | W | 2-3 | |
| Katar Open - ženy | 10/21 10:50 | 4 | Gustavo Tsuboi v Timo Boll | L | 0-4 | |
| Qatar Open - smíšená hra | 10/20 18:45 | 1 | Sangeun Jeong v Gustavo Tsuboi | L | 4-1 | |
| Qatar Open - smíšená hra | 10/20 13:45 | 1 | Chien-An Chen v Gustavo Tsuboi | - | Walkover | |
| Qatar Open - smíšená hra | 09/19 15:30 | 1 | Gustavo Tsuboi v Leonel Barrios | W | 4-0 | |
| Česká republika - Extraliga | 05/31 14:00 | 57 | Gustavo Tsuboi v Sangeun Jeong | L | 2-4 | |
| Qatar Open - smíšená hra | 05/06 20:15 | 1 | Hugo Calderano v Gustavo Tsuboi | L | 4-1 | |
| Qatar Open - smíšená hra | 05/06 14:30 | 1 | Gustavo Tsuboi v Eric Jouti | W | 4-0 | |
| Qatar Open - smíšená hra | 05/05 18:30 | 1 | Gustavo Tsuboi v Gustavo Gomez | W | 4-1 | |
| Qatar Open - smíšená hra | 01/17 18:52 | - | Gustavo Tsuboi v Simon Berglund | L | 3-4 | |
| Swedish Open | 11/18 14:15 | 6 | Gustavo Tsuboi v Zengyi Wang | L | 1-4 |
Wikipedia - Gustavo Tsuboi
Gustavo Tsuboi (born 31 May 1985, São Paulo) is a table tennis player from Brazil, he won three medals in double and team events in the Pan American Games. Along with Hugo Hoyama and Thiago Monteiro, Tsuboi was part of the winning team at the 2007 Pan American Games and 2011 Pan American Games.
Tsuboi won the gold medal at the inaugural 2011 Latin American Cup held in Rio de Janeiro, Brazil after defeating Paraguay's Marcelo Aguirre 4–0. Tsuboi competed in table tennis at the 2008 and 2012 Summer Olympics.
History
In World Championships, Tsuboi's best campaigns in singles were the 2nd round in 2011, 2013, 2015 and 2021. His best performance was in 2013, when he managed to make it difficult for the Chinese player Zhang Jike, almost winning the first set and winning the second. In doubles, Tsuboi reached the 3rd round (round of 16) three times, in 2009, 2015 and 2017, each time losing by 4 sets to 2. The best campaign was in 2009, when playing in Japan and making it difficult for the Japanese duo to win, who ended up being bronze medalists in the tournament. In mixed doubles, Tsuboi managed to reach the 3rd round (round of 16) in 2013, being eliminated by the Chinese pair seeded n.2, but managing to win a set of them.
At the Table Tennis World Cup, Tsuboi made history by reaching the quarterfinals of the competition in 2015, equaling Brazil's best result in the tournament's history. Until then, Cláudio Kano, in 1987 and 1989, had also reached the quarterfinals. He also reached the round of 16 in 2017 and 2018.
At the 2018 World Team Table Tennis Championships, Tsuboi reached the quarterfinals playing with Hugo Calderano and Eric Jouti.
2021
At the WTT Star Contender in Doha, held in March 2021, Tsuboi reached the round of 16 after defeating the Japanese Koki Niwa (17th). He was eliminated by South Korean Jeoung Youngsik, 13th in the world rankings.
2020 Olympic Games
At the 2020 Olympic Games in Tokyo, Tsuboi, 37th in the world, by defeating Nigerian Quadri Aruna (21st in the world ranking), became the 3rd Brazilian in history to reach the round of 16 in the Olympics. The feat had only been achieved by Hugo Hoyama (Atlanta-1996) and Hugo Calderano (Rio 2016).