| ATP Auckland | 01/10 03:55 | 25 | [78] Jiri Lehecka v Thiago Monteiro [69] | 6-3,7-5 | |
| ATP Auckland | 01/08 01:35 | 19 | [71] Thiago Monteiro v Ajeet Rai [466] | 6-7,6-3,6-4 | |
| ATP Auckland | 01/07 01:45 | 14 | [71] Thiago Monteiro v Daniel Altmaier [94] | 3-6,7-5,7-6 | |
| United Cup | 01/01 00:00 | - | [71] Thiago Monteiro v Casper Ruud [3] | 3-6,2-6 | |
| United Cup | 12/30 00:00 | - | [16] Matteo Berrettini v Thiago Monteiro [71] | 6-4,7-6 | |
| ATP Pariis | 10/30 10:00 | 19 | [69] Quentin Halys v Thiago Monteiro [66] | 6-3,7-5 | |
| ATP Pariis | 10/29 09:55 | 46 | [118] Hugo Grenier v Thiago Monteiro [66] | 6-4,2-6,6-7 | |
| ATP Viin | 10/25 12:00 | 25 | [32] Grigor Dimitrov v Thiago Monteiro [66] | 6-3,6-4 | |
| ATP Viin | 10/23 11:00 | 19 | [54] Oscar Otte v Thiago Monteiro [61] | 6-7,6-4,4-6 | |
| ATP Viin | 10/22 10:25 | 14 | [81] Dusan Lajovic v Thiago Monteiro [61] | 4-6,2-6 | |
| ATP Stockholm | 10/17 16:00 | 25 | [27] Holger N Rune v Thiago Monteiro [61] | 7-5,6-2 | |
| ATP Gijón | 10/12 15:50 | 26 | [65] Thiago Monteiro v Pablo Carreno-Busta [15] | 4-6,6-7 | |
| ATP Gijón | 10/10 11:00 | 25 | [67] Benjamin Bonzi v Thiago Monteiro [65] | 4-6,5-7 | |
| ATP Tel Aviv | 09/28 09:00 | 25 | [62] Thiago Monteiro v Pablo Andujar [115] | 6-7,1-6 | |
| Challenger – Genova | 09/25 15:30 | 29 | [164] Andrea Pellegrino v Thiago Monteiro [66] | 1-6,6-7 | |
| Challenger – Genova | 09/25 09:00 | 28 | [309] Adrian Andreev v Thiago Monteiro [66] | 2-6,4-6 | |
| Challenger – Genova | 09/23 12:25 | 27 | [197] Sebastian Ofner v Thiago Monteiro [66] | 7-6,4-6,6-7 | |
| Challenger – Genova | 09/21 17:30 | 26 | [163] Dimitar Kuzmanov v Thiago Monteiro [66] | 6-7,3-6 | |
| Challenger – Genova | 09/20 09:25 | 25 | [193] Stefano Travaglia v Thiago Monteiro [66] | 6-4,2-6,4-6 | |
| Davise karikas | 09/17 15:45 | 4 | [56] Joao Sousa v Thiago Monteiro [65] | 6-3,6-1 | |
| Davise karikas | 09/16 15:30 | 2 | [93] Nuno Borges v Thiago Monteiro [65] | 6-7,6-4,7-6 | |
| USA lahtised meistrivõistlused | 08/31 23:10 | 24 | [31] Karen Khachanov v Thiago Monteiro [67] | 6-3,6-3,5-7,6-4 | |
| USA lahtised meistrivõistlused | 08/29 19:50 | 23 | [40] Alex Molcan v Thiago Monteiro [67] | 4-6,6-4,4-6,1-6 | |
| ATP Winston-Salem | 08/25 00:20 | 26 | [67] Thiago Monteiro v Benjamin Bonzi [50] | 5-7,2-6 | |
| ATP Winston-Salem | 08/23 01:15 | 25 | [35] Nikoloz Basilashvili v Thiago Monteiro [67] | 4-6,1-6 | |
| ATP Winston-Salem | 08/21 22:00 | 24 | [95] Denis Kudla v Thiago Monteiro [65] | 6-7,5-7 | |
| ATP Cincinnati | 08/14 17:45 | 19 | [102] Henri Laaksonen v Thiago Monteiro [64] | 4-6,6-3,6-4 | |
| ATP Cincinnati | 08/13 18:50 | 14 | [200] Emilio Nava v Thiago Monteiro [64] | 3-6,0-6 | |
| ATP Kitzbuhel | 07/25 10:45 | 25 | [68] Jiri Lehecka v Thiago Monteiro [67] | 7-6,6-4 | |
| ATP Gstaad | 07/19 14:35 | 25 | [118] Nicolas Jarry v Thiago Monteiro [72] | 6-7,7-6,7-6 |
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.