Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger - Rennes - HD | 2021/09/16 14:00 | Pel/Qureshi v Gengel/Machac | 6-7,6-7 |
| Wimbledon - HD | 2021/07/03 14:00 | Glasspool/Heliovaara v Gray/Mchugh | 4-6,6-3,8-6 |
| Wimbledon - HD | 2021/07/01 17:00 | Koolhof/Rojer v Glasspool/Heliovaara | 7-5,3-6,4-6 |
| ATP - Eastbourne - HD | 2021/06/24 13:45 | Mektic/Pavic v Glasspool/Heliovaara | 6-4,6-7,18-16 |
| ATP - Eastbourne - HD | 2021/06/23 14:00 | Purcell/Saville v Glasspool/Heliovaara | 2-6,3-6 |
| Challenger - Nottingham - HD | 2021/06/10 11:35 | Glasspool/Heliovaara v Ebden/Smith | 4-6,2-6 |
| Challenger - Nottingham - HD | 2021/06/09 10:00 | Glasspool/Heliovaara v Gray/Parker | 6-2,6-3 |
| Challenger - Rome - HD | 2021/04/22 10:45 | Galloway/Lawson v Glasspool/Heliovaara | 6-7,6-3,10-8 |
| Challenger - Belgrado | 2021/04/14 13:35 | Glasspool/Heliovaara v Sitak/Vega Hernandez | 6-2,4-6,5-10 |