Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/03/07 09:00 | Kos, Dorian v Tobias Franco | 6-4,5-7,6-10 |
| ITF - M15 Antalya | 2021/01/28 08:00 | Kos, Dorian v Matheus P De Almeida | 3-6,2-6 |
| ITF - M15 Antalya | 2021/01/17 09:00 | Kos, Dorian v Sabanin, Yan | 2-6,3-6 |
| ITF - M15 Antalya | 2021/01/10 07:30 | Gokberk Saritas v Kos, Dorian | 6-2,6-4 |
| ITF - M15 Antalya | 2021/01/06 07:30 | Stefanos Sakellaridis v Kos, Dorian | 2-6,6-2,10-4 |
| ITF - M15 Antalya | 2021/01/04 07:00 | Ivan Abramov v Kos, Dorian | 3-6,6-2,10-12 |
| ITF - M15 Héraklion | 2020/11/23 10:00 | Sean Hodkin v Kos, Dorian | 6-3,6-2 |
| ITF M25 Glasgow | 2020/02/16 12:00 | Kristjan Tamm v Kos, Dorian | 6-3,6-3 |
| ITF - M15 Monastir | 2021/03/14 09:00 | Eminefendic, Ervin Haris v Luigi Sorrentino | 1-6,4-6 |
| ITF - M15 Monastir | 2021/03/08 16:15 | Yanais Laurent v Luigi Sorrentino | 6-3,7-5 |
| ITF - M15 Monastir | 2021/03/08 12:30 | Samuele Pieri v Luigi Sorrentino | 1-6,2-6 |
| ITF - M15 Monastir | 2021/03/07 12:00 | Sami Ben Abdennibi v Luigi Sorrentino | 1-6,2-6 |
| ITF M15 St Petersburg | 2021/02/09 10:00 | Luigi Sorrentino v Martin Krumich | 2-6,6-7 |
| ITF M15 St Petersburg | 2021/02/08 07:00 | Lorenzo Bocchi v Luigi Sorrentino | 3-6,1-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 08:55 | Stepin, Alexander v Luigi Sorrentino | 4-6,5-7 |
| ITF M15 St Petersburg | 2021/02/01 10:25 | Cozbinov, Alexander v Luigi Sorrentino | 6-1,7-5 |