| UTR Pro Tennis Series Copenhagen | 2021/06/15 09:30 | Pierre, Hugo v Lescure, Mick | 6-2,5-7,3-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 12:30 | Norfeldt, David v Pierre, Hugo | 6-7,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 10:30 | Melnic, Vladislav v Pierre, Hugo | 6-4,6-2 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 17:30 | Galarza, Juan Ignacio v Pierre, Hugo | 6-4,5-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 11:30 | Pierre, Hugo v Stefan Palosi | 3-6,0-6 |
| ITF - M15 Monastir | 2021/05/09 11:00 | Louis Tessa v Pierre, Hugo | 6-2,6-0 |
| ITF - M15 Monastir | 2021/05/03 12:00 | Pierre, Hugo v Marcello Serafini | 6-3,4-6,10-12 |
| ITF - M15 Monastir | 2021/05/02 10:30 | Pierre, Hugo v Aissa Khelifa, Mohamed Amine | 6-0,6-1 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 11:00 | Overbeck, Carl Emil v Yitbarek, Simon | 6-4,5-1 |
| ITF M15 Helsinki | 2021/06/02 08:45 | Kawakami, Rimpei v Yitbarek, Simon | 6-4,6-4 |
| ITF - M15 Antalya | 2021/05/16 07:00 | Yitbarek, Simon v Edouard Villoslada | 7-5,6-7,6-10 |
| ITF - M15 Antalya | 2021/05/10 07:00 | Bejenaru, Adrian Mateo v Yitbarek, Simon | 6-4,6-0 |
| ITF - M15 Antalya | 2021/05/09 07:00 | Mikail Alimli v Yitbarek, Simon | 6-7,0-6 |
| ITF - M15 Monastir | 2021/04/22 08:30 | Yitbarek, Simon v Dembek, Michal | 6-2,1-6,6-1 |
| ITF - M15 Monastir | 2021/04/21 08:30 | Yitbarek, Simon v Pedro Boscardin Dias | 6-4,6-3 |
| ITF - M15 Monastir | 2021/04/20 08:00 | Yitbarek, Simon v Justin Roberts | 7-6,6-4 |