 USA: Indian Wells - Doubles - Main |
|---|
| 1/8-finals | Kichenok L./Ostapenko J. | Carter H./Dabrowski G. | 2:0 (6:4, 6:2) | details | 11.10.2021 |
| 1/16-finals | Christian K./Routliffe E. | Carter H./Dabrowski G. | 0:2 (4:6, 4:6) | details | 07.10.2021 |
| USA: US Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Shibahara E./McLachlan B. | Carter H./Reese H. | 2:0 (7:5, 6:2) | details | 04.09.2021 |
| USA: US Open - Doubles - Main |
|---|
| 1/32-finals | Martincova T./Vondrousova M. | Carter H./Sharma A. | 2:0 (7:5, 6:2) | details | 02.09.2021 |
| USA: Cincinnati - Doubles - Main |
|---|
| 1/16-finals | Carter H./Santamaria S. | Blinkova A./Sasnovich A. | 0:2 (5:7, 4:6) | details | 17.08.2021 |
 United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| 1/8-finals | Gille S./Carter H. | Pavic M./Dabrowski G. | 0:2 (4:6, 4:6) | details | 07.07.2021 |
| 1/16-finals | Gille S./Carter H. | Demoliner M./Stefani L. | 2:1 (6:2, 3:6, 6:3) | details | 03.07.2021 |
| United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Carter H./Stefani L. | Krunic A./Stojanovic N. | 1:2 (6:3, 4:6, 5:7) | details | 01.07.2021 |
| United Kingdom: Eastbourne - Doubles - Main |
|---|
| 1/8-finals | Chan H-C./Chan L. | Carter H./Hibino N. | 2:0 (6:0, 6:2) | details | 23.06.2021 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Heisen V./Peschke K. | Carter H./Sharma A. | 2:1 (6:3, 3:6, 7:5) | details | 02.06.2021 |
| France: Strasbourg - Doubles - Main |
|---|
| 1/8-finals | Carter H./Stefani L. | Heisen V./Melichar-Martinez N. | 0:2 (4:6, 5:7) | details | 24.05.2021 |
 Italy: Rome - Doubles - Main |
|---|
| 1/8-finals | Carter H./Stefani L. | Krejcikova B./Siniakova K. | 0:2 (2:6, 3:6) | details | 13.05.2021 |
| 1/16-finals | Garcia C./Podoroska N. | Carter H./Stefani L. | 0:2 (1:6, 2:6) | details | 11.05.2021 |
| France: Saint Malo - Doubles - Main |
|---|
| Final | Carter H./Stefani L. | Christian K./Santamaria S. | 1:2 (64:7, 6:4, 5:10) | details | 09.05.2021 |
| Semi-finals | Carter H./Stefani L. | Lechemia E./Lohoff J. | 2:0 (6:2, 6:2) | details | 07.05.2021 |
| Quarter-finals | Carter H./Stefani L. | Heisen V./Lister C. E. | 2:0 (6:2, 6:4) | details | 05.05.2021 |
 Spain: Madrid - Doubles - Main |
|---|
| 1/16-finals | Mattek-Sands B./Swiatek I. | Carter H./Stefani L. | 2:1 (2:6, 6:3, 10:6) | details | 30.04.2021 |
 Germany: Stuttgart - Doubles - Main |
|---|
| 1/8-finals | Carter H./Stefani L. | Kichenok N./Olaru R. | 0:2 (66:7, 4:6) | details | 21.04.2021 |
| USA: Charleston - Doubles - Main |
|---|
| 1/8-finals | Bouzkova M./Hradecka L. | Carter H./Stefani L. | 2:0 (6:2, 6:4) | details | 06.04.2021 |
| USA: Miami - Doubles - Main |
|---|
| Final | Aoyama S./Shibahara E. | Carter H./Stefani L. | 2:0 (6:2, 7:5) | details | 04.04.2021 |
| Semi-finals | Carter H./Stefani L. | Dabrowski G./Olmos G. | 2:1 (2:6, 6:3, 10:8) | details | 03.04.2021 |
| Quarter-finals | Carter H./Stefani L. | Muhammad A./Pegula J. | 2:0 (6:4, 6:1) | details | 30.03.2021 |
| 1/8-finals | Carter H./Stefani L. | Alexandrova E./Yang Z. | 2:0 (6:0, 6:3) | details | 29.03.2021 |
| 1/16-finals | Carter H./Stefani L. | Rybakina E./Sakkari M. | 2:0 (6:1, 6:4) | details | 25.03.2021 |
 United Arab Emirates: Dubai - Doubles - Main |
|---|
| Quarter-finals | Mattek-Sands B./Pegula J. | Carter H./Stefani L. | 2:0 (6:4, 6:2) | details | 11.03.2021 |
| 1/8-finals | Klepac A./Mirza S. | Carter H./Stefani L. | 0:2 (3:6, 3:6) | details | 10.03.2021 |
| 1/16-finals | Silva E./Van der Hoek R. | Carter H./Stefani L. | 0:2 (1:6, 2:6) | details | 09.03.2021 |
 Australia: Adelaide - Doubles - Main |
|---|
| Final | Carter H./Stefani L. | Guarachi A./Krawczyk D. | 1:2 (7:64, 4:6, 3:10) | details | 27.02.2021 |
| Semi-finals | Xu Y./Yang Z. | Carter H./Stefani L. | 0:2 (2:6, 3:6) | details | 26.02.2021 |
| Quarter-finals | Hradecka L./Klepac A. | Carter H./Stefani L. | 0:2 (4:6, 5:7) | details | 24.02.2021 |
| 1/8-finals | Perez E./Stosur S. | Carter H./Stefani L. | 1:2 (7:67, 3:6, 4:10) | details | 22.02.2021 |
| Australia: Australian Open - Mixed Doubles - Main |
|---|
| Quarter-finals | Carter H./Gille S. | Stosur S./Ebden M. | 0:2 (3:6, 2:6) | details | 18.02.2021 |
| 1/8-finals | Carter H./Gille S. | Swiatek I./Kubot L. | 2:0 (6:4, 6:1) | details | 16.02.2021 |
| 1/16-finals | Strycova B./Mektic N. | Carter H./Gille S. | 1:2 (4:6, 7:5, 4:10) | details | 14.02.2021 |
| Australia: Australian Open - Doubles - Main |
|---|
| 1/8-finals | Aoyama S./Shibahara E. | Carter H./Stefani L. | 2:0 (6:2, 6:4) | details | 14.02.2021 |
| 1/16-finals | Badosa P./Kovinic D. | Carter H./Stefani L. | 1:2 (6:4, 0:6, 1:6) | details | 12.02.2021 |
| 1/32-finals | Rybakina E./Shvedova Y. | Carter H./Stefani L. | 0:2 (4:6, 3:6) | details | 11.02.2021 |
| Australia: Melbourne (Gippsland Trophy) - Doubles - Main |
|---|
| 1/8-finals | Buzarnescu M./Cornet A. | Carter H./Stefani L. | 2:0 (6:3, 6:1) | details | 02.02.2021 |
| 1/16-finals | Hradecka L./Pliskova Kr. | Carter H./Stefani L. | 0:2 (1:6, 64:7) | details | 31.01.2021 |
| United Arab Emirates: Abu Dhabi - Doubles - Main |
|---|
| Final | Aoyama S./Shibahara E. | Carter H./Stefani L. | 2:0 (7:65, 6:4) | details | 13.01.2021 |
| Semi-finals | Carter H./Stefani L. | Siegemund L./Zvonareva V. | 2:1 (7:5, 1:6, 10:8) | details | 12.01.2021 |
| Quarter-finals | Carter H./Stefani L. | Kudermetova V./Potapova A. | 2:1 (4:6, 6:4, 10:4) | details | 10.01.2021 |
| 1/8-finals | Carter H./Stefani L. | Kasatkina D./Kontaveit A. | 2:0 (6:3, 6:4) | details | 09.01.2021 |
| 1/16-finals | Carter H./Stefani L. | Rybakina E./Shvedova Y. | 2:0 (6:3, 6:3) | details | 08.01.2021 |
| France: French Open - Doubles - Main |
|---|
| 1/8-finals | Carter H./Stefani L. | Aoyama S./Shibahara E. | 0:2 (4:6, 5:7) | details | 04.10.2020 |
| 1/16-finals | Carter H./Stefani L. | Kato M./Zidansek T. | 2:0 (6:2, 6:2) | details | 02.10.2020 |
| 1/32-finals | Carter H./Stefani L. | Bolsova Zadoinov A./Eikeri U. | 2:1 (5:7, 6:1, 6:3) | details | 01.10.2020 |
| 1/32-finals | Carter H./Stefani L. | Krunic A./Marozava L. | CAN. | details | 01.10.2020 |
| France: Strasbourg - Doubles - Main |
|---|
| Final | Melichar-Martinez N./Schuurs D. | Carter H./Stefani L. | 2:0 (6:4, 6:3) | details | 26.09.2020 |
| Semi-finals | Carter H./Stefani L. | Dabrowski G./Ostapenko J. | 2:0 (6:3, 6:4) | details | 24.09.2020 |