Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| ATP Indian Wells MD | 2021/10/11 02:15 | Klaasen/Mclachlan v Arevalo/Middelkoop | 2-6,6-0,9-11 |
| US Open MD | 2021/09/04 15:00 | Klaasen/Mclachlan v Gonzalez M / Molteni A | 1-6,6-3,6-7 |
| US Open MD | 2021/09/03 00:15 | Klaasen/Mclachlan v Krueger/Mmoh | 6-4,6-7,7-6 |
| ATP Winston-Salem MD | 2021/08/24 01:20 | Klaasen/Mclachlan v Daniell M / Demoliner M | 3-6,6-4,4-10 |
| ATP Cincinnati MD | 2021/08/16 17:30 | 베할 A / 에스코발 G v Klaasen/Mclachlan | 4-6,6-3,10-8 |
| ATP Toronto MD | 2021/08/11 19:40 | Klaasen/Mclachlan v Koolhof/Krajicek | 4-6,6-7 |
| ATP Washington MD | 2021/08/08 18:00 | Klaasen/Mclachlan v Skupski/Venus | 7-6,6-4 |
| ATP Washington MD | 2021/08/07 19:00 | Daniell/Melo v Klaasen/Mclachlan | 4-6,5-7 |
| ATP Sofia MD | 2021/09/28 11:00 | Bopanna R / Qureshi A v Marach O / Oswald P | 2-6,7-6,7-10 |
| ATP Acapulco MD | 2021/03/17 04:20 | Bopanna R / Qureshi A v 무라이 J / 소아레스 B | 7-6,2-6,1-10 |