| Genoa, Italy | 09/02 14:45 | 46 | Bellucci, Thomaz v Andrea Guerrieri | 6-1,4-6,6-3 | |
| Genoa, Italy | 09/02 07:00 | 45 | Bellucci, Thomaz v Virgili, Adelchi | 6-2,6-4 | |
| Challenger Como | 08/26 13:55 | 46 | [228] Brown, Dustin v Bellucci, Thomaz [311] | 6-3,6-4 | |
| Challenger Como | 08/25 18:40 | 45 | [311] Bellucci, Thomaz v Marc-Andrea Huesler [362] | 6-2,7-5 | |
| Winston-Salem, USA | 08/18 21:15 | 64 | [309] Bellucci, Thomaz v Dominik Koepfer [245] | 2-6,6-1,2-6 | |
| Sopot, Pologne | 07/30 15:00 | 25 | [267] Bellucci, Thomaz v Gianluca Mager [328] | 4-6,2-6 | |
| Challenger Padova | 07/24 17:00 | 25 | [266] Bellucci, Thomaz v Brkic, Tomislav [246] | 6-2,5-7,1-6 | |
| Challenger San Benedetto | 07/16 19:00 | 25 | [265] Bellucci, Thomaz v Daniel Elahi Galan [226] | 6-4,1-6,4-6 | |
| Braunchsweig, Germany | 07/10 15:55 | 25 | [274] Bellucci, Thomaz v Maden, Yannick [134] | 3-6,4-6 | |
| Challenger Marburg | 07/04 13:25 | 26 | [274] Bellucci, Thomaz v Hugo Dellien [120] | 6-3,3-6,6-7 | |
| Challenger Marburg | 07/03 12:45 | 25 | [274] Bellucci, Thomaz v Lloyd Harris [221] | 6-7,6-4,6-4 | |
| Challenger Marburg Qual | 07/02 10:00 | 54 | [125] Corentin Moutet v Bellucci, Thomaz [274] | 4-6,4-6 | |
| Challenger Marburg Qual | 07/01 11:30 | 46 | [373] Daniel Masur v Bellucci, Thomaz [276] | 4-6,2-6 | |
| Challenger Marburg Qual | 06/30 11:30 | 45 | Borza, Bogdan v Bellucci, Thomaz | 2-6,0-6 | |
| Challenger Milan Qual | 06/25 09:20 | 54 | [274] Bellucci, Thomaz v Alexei Popyrin [360] | 4-6,5-7 | |
| Challenger Milan Qual | 06/24 12:15 | 46 | Bellucci, Thomaz v Enrico Dalla Valle | 7-5,6-2 | |
| Challenger Milan Qual | 06/23 09:20 | 45 | [274] Bellucci, Thomaz v Caruana, Liam [423] | 6-1,6-2 | |
| Prostejov, Czech Republic | 06/06 16:05 | 26 | [67] Garcia-Lopez, Guillermo v Bellucci, Thomaz [278] | 6-1,7-6 | |
| Prostejov, Czech Republic | 06/05 09:00 | 25 | [302] Cuevas, Martin v Bellucci, Thomaz [278] | 4-6,3-6 | |
| French Open, Paris, France | 05/27 16:15 | 23 | [66] Delbonis, Federico v Bellucci, Thomaz [269] | 6-1,6-3,3-6,6-1 | |
| French Open Qual | 05/25 08:00 | 46 | [111] Bemelmans, Ruben v Bellucci, Thomaz [269] | 2-6,6-2,5-7 | |
| French Open Qual | 05/23 15:45 | 45 | [269] Bellucci, Thomaz v Gimeno-Traver, Daniel [214] | 6-1,7-6 | |
| French Open Qual | 05/21 11:30 | 44 | [154] Bachinger, Matthias v Bellucci, Thomaz [269] | 3-6,4-6 | |
| Lisbon, Portugal | 05/15 12:25 | 25 | [202] Miomir Kecmanovic v Bellucci, Thomaz [249] | 6-3,7-6 | |
| Challenger - Savannah | 05/04 20:05 | 27 | [244] Harrison, Christian v Bellucci, Thomaz [217] | 7-5,6-4 | |
| Challenger - Savannah | 05/02 18:40 | 26 | [227] Jay Clarke v Bellucci, Thomaz [217] | 7-6,3-6,3-6 | |
| Challenger - Savannah | 04/30 22:40 | 25 | [217] Bellucci, Thomaz v Polansky, Peter [124] | 6-3,6-1 | |
| Challenger - Tallahassee | 04/26 17:05 | 27 | [172] Hugo Dellien v Bellucci, Thomaz [222] | 7-5,7-6 | |
| Challenger - Tallahassee | 04/25 20:05 | 26 | [222] Bellucci, Thomaz v Miomir Kecmanovic [201] | 6-3,6-2 | |
| Challenger - Tallahassee | 04/23 20:00 | 25 | [498] Thomas, Danny v Bellucci, Thomaz [222] | 1-6,2-6 |