![Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June](https://c8.alamy.com/comp/2KAYEXR/giovanni-fonio-during-match-between-riccardo-balzeranigiovanni-fonio-ita-and-guilherme-clezar-braalejandro-gonzalezcol-during-day-3-at-the-internazionali-di-tennis-citt-dellaquila-atp-challenger-laquila-in-laquila-italy-on-june-18-2018-photo-by-manuel-romanonurphoto-2KAYEXR.jpg)
Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June
![Daniel Galan of Colombia, right, returns a shot from Guilherme Clezar of Brazil during their Davis Cup World Group play-offs tennis match in Barranquilla, Colombia, Friday, April 6, 2018. Galan won 3-6, Daniel Galan of Colombia, right, returns a shot from Guilherme Clezar of Brazil during their Davis Cup World Group play-offs tennis match in Barranquilla, Colombia, Friday, April 6, 2018. Galan won 3-6,](https://c8.alamy.com/comp/2MNJ22Y/daniel-galan-of-colombia-right-returns-a-shot-from-guilherme-clezar-of-brazil-during-their-davis-cup-world-group-play-offs-tennis-match-in-barranquilla-colombia-friday-april-6-2018-galan-won-3-6-6-2-6-1-ap-photofernando-vergara-2MNJ22Y.jpg)
Daniel Galan of Colombia, right, returns a shot from Guilherme Clezar of Brazil during their Davis Cup World Group play-offs tennis match in Barranquilla, Colombia, Friday, April 6, 2018. Galan won 3-6,
![Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June](https://l450v.alamy.com/450v/2kayggk/guilherme-clezar-during-match-between-gian-martin-cuevas-uru-and-guilherme-clezar-bra-during-day-5-at-the-internazionali-di-tennis-citt-dellaquila-atp-challenger-laquila-in-laquila-italy-on-june-20-2018-photo-by-manuel-romanonurphoto-2kayggk.jpg)
Guilherme Clezar during match between Riccardo Balzerani/Giovanni Fonio (ITA) and Guilherme Clezar (BRA)/Alejandro Gonzalez(COL) during day 3 at the Internazionali di Tennis Citt dell'Aquila (ATP Challenger L'Aquila) in L'Aquila, Italy, on June
![File:2015 US Open Tennis - Qualies - Guilherme Clezar (BRA) def. Nicolas Almagro (ESP) (12) (21160163081).jpg - Wikimedia Commons File:2015 US Open Tennis - Qualies - Guilherme Clezar (BRA) def. Nicolas Almagro (ESP) (12) (21160163081).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/69/2015_US_Open_Tennis_-_Qualies_-_Guilherme_Clezar_%28BRA%29_def._Nicolas_Almagro_%28ESP%29_%2812%29_%2821160163081%29.jpg)