| WTA - Charleston | 04/04 23:00 | 25 | [84] Lara Arruabarrena v Madison Keys [14] | 1-6,6-3,3-6 | |
| WTA - Miami | 03/22 23:30 | 24 | [186] Victoria Azarenka v Madison Keys [15] | Retired | |
| WTA - Indian Wells | 03/10 19:00 | 24 | Madison Keys v Danielle Collins | 3-6,6-7 | |
| WTA - Doha | 02/14 12:30 | 25 | Catherine Bellis v Madison Keys | 2-6,6-3,6-0 | |
| WTA - Doha | 02/13 09:00 | 24 | Qiang Wang v Madison Keys | 1-6,4-6 | |
| Australian Open - Frauen | 01/24 00:00 | 27 | Angelique Kerber v Madison Keys | 6-1,6-2 | |
| Australian Open - Frauen | 01/22 00:00 | 26 | Madison Keys v Caroline Garcia | 6-3,6-2 | |
| Australian Open - Frauen | 01/20 00:00 | 25 | Ana Bogdan v Madison Keys | 3-6,4-6 | |
| Australian Open - Frauen | 01/18 05:45 | 24 | Ekaterina Alexandrova v Madison Keys | 0-6,1-6 | |
| Australian Open - Frauen | 01/16 04:05 | 23 | Qiang Wang v Madison Keys | 1-6,5-7 | |
| WTA - Brisbane | 01/01 05:00 | 25 | Johanna Konta v Madison Keys | 4-6,6-4,6-3 | |
| WTA - Wuhan | 09/25 04:30 | 24 | [79] Varvara Lepchenko v Madison Keys [12] | 6-2,7-6 | |
| US Open - Damen | 09/09 20:00 | 29 | [16] Madison Keys v Sloane Stephens [83] | 3-6,0-6 | |
| US Open - Damen | 09/08 01:55 | 28 | [22] Coco Vandeweghe v Madison Keys [16] | 1-6,2-6 | |
| US Open - Damen | 09/06 23:00 | 27 | [16] Madison Keys v Kaia Kanepi [418] | 6-3,6-3 | |
| US Open - Damen | 09/05 01:35 | 26 | [4] Elina Svitolina v Madison Keys [16] | 6-7,6-1,4-6 | |
| US Open - Damen | 09/03 03:40 | 25 | [18] Elena Vesnina v Madison Keys [16] | 6-2,4-6,1-6 | |
| US Open - Damen | 08/31 23:00 | 24 | [61] Tatjana Maria v Madison Keys [16] | 3-6,4-6 | |
| US Open - Damen | 08/29 23:00 | 23 | [39] Elise Mertens v Madison Keys [16] | 3-6,6-7 | |
| WTA - Cincinnati | 08/17 17:00 | 26 | [6] Garbine Muguruza v Madison Keys [17] | 6-4,3-6,7-6 | |
| WTA - Cincinnati | 08/16 15:00 | 25 | [38] Daria Kasatkina v Madison Keys [17] | 2-6,1-6 | |
| WTA - Cincinnati | 08/14 23:00 | 24 | [21] Coco Vandeweghe v Madison Keys [17] | 4-6,6-3,3-6 | |
| WTA - Toronto | 08/08 15:00 | 24 | Mirjana L Baroni v Madison Keys | Cancelled | |
| WTA - Stanford | 08/06 21:00 | 29 | [21] Madison Keys v Coco Vandeweghe [24] | 7-6,6-4 | |
| WTA - Stanford | 08/06 02:00 | 28 | [4] Garbine Muguruza v Madison Keys [21] | 3-6,2-6 | |
| WTA - Stanford | 08/04 23:00 | 27 | [21] Madison Keys v Lesia Tsurenko [32] | 6-4,6-3 | |
| WTA - Stanford | 08/02 20:00 | 26 | [21] Madison Keys v Caroline Dolehide [212] | 3-6,6-2,6-3 | |
| Wimbledon - Damen | 07/05 18:05 | 24 | [86] Camila Giorgi v Madison Keys [18] | 6-4,6-7,6-1 | |
| Wimbledon - Damen | 07/03 10:30 | 23 | [92] Nao Hibino v Madison Keys [18] | 4-6,2-6 | |
| French Open - Damen | 06/01 17:35 | 24 | [290] Petra Martic v Madison Keys [13] | 3-6,6-3,6-1 |
Wikipedia - Madison Keys
Madison Keys (* 17. Februar 1995 in Rock Island, Illinois) ist eine US-amerikanische Tennisspielerin.