Stadium: Court 9 Round: 24 Ground: Grass
| ATP Mallorca MD | 2021/06/21 14:00 | Demoliner M / Gonzalez S v Mannarino/Reyes-Varela | 6-7,6-4,2-10 |
| ATP Halle MD | 2021/06/16 11:00 | Demoliner M / Gonzalez S v Hanfmann/Koepfer | 6-7,3-6 |
| ATP Stuttgart MD | 2021/06/13 12:05 | Demoliner M / Gonzalez S v Behar A / Escobar G | 4-6,6-3,10-8 |
| ATP Stuttgart MD | 2021/06/12 10:00 | Demoliner M / Gonzalez S v Gonzalez/Molteni | 7-6,6-7,10-6 |
| ATP Stuttgart MD | 2021/06/11 09:00 | Demoliner M / Gonzalez S v Hurkacz H / Kubot L | 6-4,6-4 |
| ATP Stuttgart MD | 2021/06/10 11:10 | Murray J / Soares B v Demoliner M / Gonzalez S | 2-6,6-3,7-10 |
| French Open MD | 2021/06/02 09:00 | Marach O / Qureshi A U H v Demoliner M / Gonzalez S | 3-6,7-5,6-2 |
| ATP Belgrade MD | 2021/05/26 11:00 | Bambridge/Inglot v Demoliner M / Gonzalez S | 6-4,6-4 |