US Open | 08/22 19:10 | 44 | [119] Thiago Monteiro v Tatsuma Ito [165] | 7-5,6-7,6-2 | |
ATP Kitzbuhel Qual | 07/29 11:25 | 164 | [90] Denis Istomin v Thiago Monteiro [146] | 6-1,6-7,7-5 | |
ATP Kitzbuhel Qual | 07/28 13:00 | 64 | [146] Thiago Monteiro v Guido Andreozzi [118] | 3-6,6-4,7-5 | |
ATP Hamburg | 07/27 09:00 | 27 | [146] Thiago Monteiro v Jozef Kovalík [113] | 6-3,3-6,2-6 | |
ATP Hamburg | 07/25 09:00 | 26 | [33] Fernando Verdasco v Thiago Monteiro [146] | 6-3,2-6,5-7 | |
ATP Hamburg | 07/24 09:00 | 25 | [39] Gilles Simon v Thiago Monteiro [146] | 6-7,2-6 | |
ATP Hamburg Qual | 07/22 11:00 | 164 | [112] Jozef Kovalík v Thiago Monteiro [145] | 6-3,3-6,6-0 | |
ATP Hamburg Qual | 07/21 13:00 | 64 | [224] Roberto Quiroz v Thiago Monteiro [145] | 4-6,3-6 | |
ATP Bastad | 07/18 14:00 | 26 | [145] Thiago Monteiro v Pablo Carreno Busta [13] | 4-6,3-6 | |
ATP Bastad | 07/17 13:10 | 25 | [145] Thiago Monteiro v Elias Ymer [111] | 6-4,6-2 | |
Challenger Bastad | 07/11 13:30 | 26 | [251] Pedro Martinez v Thiago Monteiro [130] | 6-4,6-4 | |
Challenger Bastad | 07/09 09:00 | 25 | [453] Lukas Klein v Thiago Monteiro [130] | 4-6,6-7 | |
Challenger Bastad | 07/09 09:00 | 25 | [286] Santiago Giraldo v Thiago Monteiro [130] | Cancelled | |
Challenger Marburg | 07/04 13:05 | 26 | [130] Thiago Monteiro v Oscar Otte [166] | 3-6,6-1,3-6 | |
Challenger Marburg | 07/03 13:35 | 25 | [130] Thiago Monteiro v Gianluca Mager [298] | 3-6,6-2,6-2 | |
Wimbledon Qual | 06/25 15:05 | 44 | [192] Gregoire Barrere v Thiago Monteiro [138] | 6-4,2-6,6-3 | |
Challenger L'Aquila | 06/23 16:15 | 28 | [138] Thiago Monteiro v Paolo Lorenzi [93] | 6-7,7-6,3-6 | |
Challenger L'Aquila | 06/22 10:00 | 27 | [138] Thiago Monteiro v Gian Marco Moroni [272] | Retired | |
Challenger L'Aquila | 06/20 08:00 | 26 | [138] Thiago Monteiro v Bernabe Zapata Miralles [254] | 6-4,6-1 | |
Challenger L'Aquila | 06/19 08:00 | 25 | [138] Thiago Monteiro v Hernan Casanova [260] | 6-3,6-2 | |
Challenger Caltanissetta | 06/12 10:50 | 25 | [204] Salvatore Caruso v Thiago Monteiro [140] | 7-6,6-2 | |
French Open Qual | 05/21 09:00 | 44 | [124] Thiago Monteiro v Casper Ruud [158] | 3-6,3-6 | |
Challenger Bordeaux | 05/15 09:45 | 25 | [126] Peter Polansky v Thiago Monteiro [114] | 6-4,6-4 | |
Challenger Aix en Provence | 05/11 10:30 | 27 | [137] Guido Andreozzi v Thiago Monteiro [122] | 7-6,7-6 | |
Challenger Aix en Provence | 05/09 09:00 | 26 | [173] Bradley Klahn v Thiago Monteiro [122] | 5-7,4-6 | |
Challenger Aix en Provence | 05/08 13:00 | 25 | [156] Mats Moraing v Thiago Monteiro [122] | 2-6,3-6 | |
ATP Istanbul | 05/03 16:00 | 26 | [131] Thiago Monteiro v Jiri Vesely [84] | 2-6,6-2,6-7 | |
ATP Istanbul | 05/01 09:30 | 25 | [131] Thiago Monteiro v Gerald Melzer [115] | 6-2,3-6,6-1 | |
ATP Istanbul Qual | 04/29 08:00 | - | [126] Thiago Monteiro v Tommy Robredo [211] | 6-3,7-6 | |
ATP Istanbul Qual | 04/28 08:00 | 26 | Thiago Monteiro v Mert Alkaya | 6-3,6-1 |
Thiago Moura Monteiro (Brazilian Portuguese: [tʃiˈaɡu mõˈtejɾu]; born 31 May 1994) is a Brazilian professional tennis player.
Monteiro has a career-high ATP singles ranking of world No. 61 achieved on 17 October 2022. He also has a career-high ATP doubles ranking of No. 144, achieved on 31 January 2022. He is currently the No. 2 Brazilian tennis player.
On the ITF Junior Circuit, Monteiro peaked in the rankings at No. 2 on 2 February 2012, with his biggest junior singles title being the Grade A, Copa Gerdau in Porto Alegre, Brazil, in 2011.
In his first ATP match, as a wildcard ranked world No. 338 in the ATP 500 Rio de Janeiro in February 2016, Monteiro upset No. 9 Jo-Wilfried Tsonga in the first round. In the second round, Monteiro lost to eventual champion Pablo Cuevas. In his next tournament, the ATP 250 São Paulo, Monteiro won two matches (against former World No. 9 Nicolás Almagro, and Daniel Muñoz de la Nava), losing again to eventual champion Cuevas in the quarterfinals.
On May 8, 2016, Monteiro won his first ATP Challenger title in Aix-en-Provence, France. He defeated Carlos Berlocq in the final.