| Challenger de Shanghái | 10/13 05:30 | 24 | Thomaz Bellucci v Milos Raonic | 6-7,6-7 | |
| Copa Davis | 09/20 13:00 | 1 | Thomaz Bellucci v Borna Coric | Retired | |
| Copa Davis | 09/18 13:00 | 1 | Thomaz Bellucci v Mate Delic | 6-1,6-4,3-6,6-4 | |
| US Open | 09/06 00:35 | 25 | Thomaz Bellucci v Andy Murray | 3-6,2-6,5-7 | |
| US Open | 09/03 15:00 | 24 | Thomaz Bellucci v Yoshihito Nishioka | 6-0,6-3,6-4 | |
| US Open | 09/01 17:15 | 23 | Thomaz Bellucci v James Ward | 6-1,7-5,6-3 | |
| ATP Cincinnati | 08/18 23:00 | 25 | Thomaz Bellucci v Tomas Berdych | 2-6,3-6 | |
| ATP Cincinnati | 08/17 15:00 | 24 | Thomaz Bellucci v Jiri Vesely | 7-6,6-2 | |
| ATP Montreal | 08/11 22:05 | 25 | Novak Djokovic v Thomaz Bellucci | 6-3,7-6 | |
| ATP Montreal | 08/10 16:30 | 24 | Thomaz Bellucci v Pablo Cuevas | 7-6,4-6,7-6 | |
| ATP Washington | 08/04 20:00 | 24 | Sam Groth v Thomaz Bellucci | 7-6,4-6,6-3 | |
| ATP Bastad | 07/24 09:00 | 27 | Thomaz Bellucci v Alexander Zverev | 7-5,4-6,2-6 | |
| ATP Bastad | 07/22 13:00 | 26 | Thomaz Bellucci v Christian Lindell | 6-3,6-4 | |
| ATP Bastad | 07/21 12:40 | 25 | Thomaz Bellucci v Elias Ymer | 6-4,6-2 | |
| Wimbledon | 06/30 12:00 | 23 | Thomaz Bellucci v Rafael Nadal | 4-6,2-6,4-6 | |
| ATP Ginebra | 05/23 13:15 | 29 | Joao Sousa v Thomaz Bellucci | 6-7,4-6 | |
| ATP Ginebra | 05/22 10:00 | 28 | Thomaz Bellucci v Santiago Giraldo | 6-3,6-4 | |
| ATP Ginebra | 05/21 11:50 | 27 | Thomaz Bellucci v Albert Ramos-Vinolas | 6-0,1-6,6-3 | |
| ATP Ginebra | 05/20 11:20 | 26 | Thomaz Bellucci v Denis Istomin | 6-4,6-4 | |
| ATP Ginebra | 05/18 15:20 | 25 | Marcos Baghdatis v Thomaz Bellucci | 7-6,3-6,3-6 | |
| ATP Madrid | 05/06 11:00 | 25 | Thomaz Bellucci v John Isner | 6-7,7-6,1-6 | |
| ATP Madrid | 05/04 16:00 | 24 | Jeremy Chardy v Thomaz Bellucci | 4-6,5-7 | |
| ATP Madrid - Clasificación | 05/03 11:40 | 46 | Federico Delbonis v Thomaz Bellucci | 6-4,6-7,6-7 | |
| ATP Madrid - Clasificación | 05/02 15:25 | 45 | Michael Berrer v Thomaz Bellucci | 3-6,2-6 | |
| ATP Barcelona | 04/21 09:00 | 25 | Thomaz Bellucci v Roberto Bautista-Agut | 3-6,4-6 | |
| ATP Barcelona | 04/20 10:20 | 24 | Thomaz Bellucci v Yuichi Sugita | 6-1,6-0 | |
| ATP Miami | 03/30 16:25 | 25 | Thomaz Bellucci v Alexandr Dolgopolov | 5-7,4-6 | |
| ATP Miami | 03/28 23:55 | 24 | Pablo Cuevas v Thomaz Bellucci | 6-2,2-6,5-7 | |
| Copa Davis | 03/08 21:30 | - | Federico Delbonis v Thomaz Bellucci | 6-3,3-6,6-2,7-5 | |
| Copa Davis | 03/06 19:25 | 1 | Leonardo Mayer v Thomaz Bellucci | 6-4,6-3,1-6,6-3 |