| Davis Kupa | 02/02 16:00 | 168 | [364] Karl Friberg v Thiago Monteiro [119] | 3-6,6-7 | |
| Challenger Punta del Este | 01/26 20:00 | 27 | [180] Roman A Burruchaga v Thiago Monteiro [120] | 6-3,5-7,7-6 | |
| Challenger Punta del Este | 01/25 23:15 | 26 | [241] Facundo Bagnis v Thiago Monteiro [120] | 2-6,3-6 | |
| Challenger Punta del Este | 01/24 00:30 | 25 | [376] Federico Agustin Gomez v Thiago Monteiro [120] | 1-6,4-6 | |
| Challenger Brazília | 11/21 20:30 | 25 | Thiago Monteiro v Fernando Romboli | Cancelled | |
| Challenger Montevideo | 11/19 22:00 | 29 | [111] Facundo Diaz Acosta v Thiago Monteiro [131] | Retired | |
| Challenger Montevideo | 11/19 01:15 | 28 | [112] Hugo Dellien v Thiago Monteiro [131] | 6-7,6-1,3-6 | |
| Challenger Montevideo | 11/17 21:25 | 27 | [131] Thiago Monteiro v Camilo Ugo Carabelli [144] | 6-1,4-6,6-4 | |
| Challenger Montevideo | 11/15 17:00 | 26 | [256] Santiago Rodriguez Taverna v Thiago Monteiro [131] | 5-7,3-6 | |
| Challenger Montevideo | 11/14 15:00 | 25 | [282] Murkel Dellien v Thiago Monteiro [131] | 0-6,4-6 | |
| Challenger Santa Fe | 10/20 18:35 | 28 | [146] Mariano Navone v Thiago Monteiro [126] | 7-5,6-4 | |
| Challenger Santa Fe | 10/19 18:45 | 27 | [163] Facundo Bagnis v Thiago Monteiro [126] | 2-6,0-6 | |
| Challenger Santa Fe | 10/18 18:00 | 26 | [395] Carlos Taberner v Thiago Monteiro [126] | 4-6,6-4,1-6 | |
| Challenger Santa Fe | 10/17 22:00 | 25 | [126] Thiago Monteiro v Juan Manuel Cerundolo [99] | 6-3,2-6,7-6 | |
| Challenger Buenos Aires | 10/10 18:00 | 25 | [150] Thiago Monteiro v Jan Choinski [127] | 3-6,6-1,3-6 | |
| Challenger Campinas | 10/08 16:20 | 29 | [177] Camilo Ugo Carabelli v Thiago Monteiro [150] | 6-3,4-6,4-6 | |
| Challenger Campinas | 10/08 13:00 | 28 | [150] Thiago Monteiro v Luciano Darderi [166] | 6-2,6-1 | |
| Challenger Campinas | 10/06 20:45 | 27 | [137] Hugo Dellien v Thiago Monteiro [150] | 7-6,4-6,3-6 | |
| Challenger Campinas | 10/05 21:20 | 26 | [150] Thiago Monteiro v Facundo Diaz Acosta [106] | 3-6,6-1,6-3 | |
| Challenger Campinas | 10/03 23:00 | 25 | [284] Gustavo Heide v Thiago Monteiro [153] | Retired | |
| Davis Kupa | 09/16 15:40 | 5 | August Holmgren v Thiago Monteiro | Cancelled | |
| Davis Kupa | 09/15 14:00 | 1 | [4] Holger Rune v Thiago Monteiro [116] | 7-6,6-7,2-6 | |
| Challenger Genoa | 09/09 18:00 | 28 | [118] Thiago Monteiro v Fabio Fognini [146] | 2-6,4-6 | |
| Challenger Genoa | 09/08 16:00 | 27 | [357] Chun Hsin Tseng v Thiago Monteiro [118] | 2-6,1-6 | |
| Challenger Genoa | 09/07 12:10 | 26 | [452] Lorenzo Rottoli v Thiago Monteiro [118] | 3-6,2-6 | |
| Challenger Genoa | 09/05 09:55 | 25 | [233] Stefano Travaglia v Thiago Monteiro [118] | 2-6,6-1,4-6 | |
| Challenger Como | 08/30 09:40 | 25 | [185] Luciano Darderi v Thiago Monteiro [118] | 6-3,6-2 | |
| US Open | 08/22 22:30 | 14 | [115] Thiago Monteiro v Giovanni M Perricard [241] | 7-6,6-7,6-7 | |
| ATP Kitzbühel | 07/30 09:00 | 19 | [121] Thiago Monteiro v Dennis Novak [157] | 4-6,3-6 | |
| ATP Kitzbühel | 07/29 09:00 | 14 | [121] Thiago Monteiro v Lukas Rosol [354] | 7-5,6-0 |
Wikipedia - Thiago Monteiro (tennis)
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.