Stadium: Court 1 Round: 28 Ground: Clay
| Challenger Salzburg MD | 2021/07/08 15:00 | Erler/Neuchrist v Doumbia/Reboul | 6-4,6-4 |
| Challenger Salzburg MD | 2021/07/07 14:25 | Erler/Neuchrist v Vatutin/Yevseyev | 6-0,6-3 |
| ITF M25 Klosters MD | 2021/06/25 12:25 | Erler/Neuchrist v Fallert F / Moreno de Alboran N | 4-6,6-7 |
| ITF M25 Klosters MD | 2021/06/24 13:05 | Erler/Neuchrist v Ehrat S / Wenger D | 6-3,6-4 |
| ITF M25 Klosters MD | 2021/06/22 12:05 | Erler/Neuchrist v Kym/Nikles | 6-3,6-4 |
| ITF M25 Biel MD | 2021/04/02 15:05 | Erler/Neuchrist v Paul J / Steinegger Y | 6-3,4-6,10-2 |
| ITF M25 Biel MD | 2021/04/02 12:00 | Andreev/Mochizuki v Erler/Neuchrist | 2-6,1-6 |
| ITF M25 Biel MD | 2021/04/01 14:15 | Erler/Neuchrist v Ehrat/Kym | 6-4,7-6 |
| Challenger Salzburg MD | 2021/07/08 15:25 | Huesler M A / Miedler L v Galloway R / Lawson A | 5-7,2-6 |
| Challenger Salzburg MD | 2021/07/07 11:55 | Galloway R / Lawson A v Molchanov D / Nedovyesov A | 7-6,6-4 |
| Challenger Porto MD | 2021/07/02 13:10 | Olivo/Reyes-Varela v Galloway R / Lawson A | 6-2,6-4 |
| Challenger Porto MD | 2021/07/01 15:35 | Galloway R / Lawson A v Istomin/Yevseyev | 7-5,6-3 |
| Challenger Porto MD | 2021/06/30 10:00 | Galloway R / Lawson A v Faria L / Rodrigues D | 6-3,6-3 |
| Challenger Milan MD | 2021/06/23 11:00 | Kopriva/Lehecka v Galloway R / Lawson A | 6-4,6-3 |
| Challenger - Aix en Provence - Doubles Hommes | 2021/06/19 15:45 | Doumbia/Reboul v Galloway R / Lawson A | 6-7,7-5,10-4 |
| Challenger - Aix en Provence - Doubles Hommes | 2021/06/18 12:00 | Galloway R / Lawson A v Drzewiecki/Martos Gornes | 6-3,7-5 |