Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Forbach | 2021/09/26 11:20 | Pierre, Hugo v Melzer, Lennart | 6-0,6-1 |
| ITF M25 Sarreguemines | 2021/10/27 10:50 | Dan Added v Pierre, Hugo | 4-6,6-2,6-4 |
| ITF M25 Sarreguemines | 2021/10/25 11:15 | Pierre, Hugo v Adan Freire Da Silva | 6-3,2-6,10-5 |
| ITF M25 Sarreguemines | 2021/10/24 11:15 | Pierre, Hugo v Arthur Nagel | 6-4,6-1 |
| ITF - M25 Toulouse | 2021/10/20 13:45 | Pierre, Hugo v Harold Mayot | 3-6,3-6 |
| ITF - M25 Toulouse | 2021/10/19 10:40 | Constantin Bittoun Kouzmine v Pierre, Hugo | 5-7,4-6 |
| ITF M25 Nevers | 2021/10/06 16:50 | Maxence Beauge v Pierre, Hugo | 6-7,6-4,6-4 |
| ITF M25 Nevers | 2021/10/04 13:00 | Millen Hurrion v Pierre, Hugo | 6-1,6-0 |
| ITF M15 Forbach | 2021/09/27 11:40 | Pierre, Hugo v Hazem Naw | 6-7,3-6 |
| ITF M25 Portimao | 2021/10/25 11:15 | Sadaoui, Mehdi v Melzer, Lennart | 6-1,6-1 |
| ITF - M25 Quinta Do Lago | 2021/10/17 09:00 | Melzer, Lennart v Raphael Calzi | 0-6,1-6 |
| ITF - M25 Loulé | 2021/10/11 13:30 | Heger, Tim v Melzer, Lennart | 6-1,6-2 |
| ITF - M25 Loulé | 2021/10/10 12:00 | Rodrigo Beires v Melzer, Lennart | 4-6,0-6 |
| ITF M25 Setubal | 2021/10/03 11:30 | Simoes, Martim v Melzer, Lennart | 6-0,6-2 |
| ITF M15 Forbach | 2021/09/26 11:20 | Pierre, Hugo v Melzer, Lennart | 6-0,6-1 |
| ITF M25 Eupen | 2021/09/06 15:05 | Melzer, Lennart v Marcel Hornung | 1-6,1-6 |
| ITF M25 Eupen | 2021/09/05 13:30 | Schmidt, Marc v Melzer, Lennart | 0-6,0-6 |