| WTA Adelaide | 02/25 00:30 | 27 | [56] Anastasija Sevastova v Jil Teichmann [61] | 4-6,7-6,5-7 | |
| WTA Adelaide | 02/24 00:30 | 26 | [85] Christina McHale v Anastasija Sevastova [56] | 4-6,1-6 | |
| WTA Adelaide | 02/24 00:30 | 26 | [17] Elise Mertens v Anastasija Sevastova [56] | Cancelled | |
| WTA Adelaide | 02/22 00:30 | 25 | [56] Anastasija Sevastova v Caroline Garcia [46] | 6-2,6-4 | |
| WTA Melbourne | 02/13 03:20 | 24 | [53] Anastasija Sevastova v Ana Bogdan [96] | 6-4,3-6,3-6 | |
| Australian Open Women | 02/09 01:10 | 23 | [53] Anastasija Sevastova v Kaia Kanepi [65] | 3-6,1-6 | |
| WTA Yarra Valley Classic | 02/02 03:10 | 25 | [54] Anastasija Sevastova v Anastasia Pavlyuchenkova [39] | 0-6,3-6 | |
| WTA Yarra Valley Classic | 01/31 00:55 | 24 | [54] Anastasija Sevastova v Madison Brengle [83] | 6-4,6-2 | |
| WTA Abu Dhabi | 01/06 13:50 | 24 | [54] Anastasija Sevastova v Paula Badosa [70] | 2-6,7-5,2-6 | |
| WTA Rome | 09/14 12:35 | 24 | [46] Anastasija Sevastova v Jasmine Paolini [99] | 2-6,3-6 | |
| US Open Women | 09/02 20:55 | 24 | [137] Marta Kostyuk v Anastasija Sevastova [45] | 6-3,7-6 | |
| US Open Women | 08/31 20:00 | 23 | [51] Cori Gauff v Anastasija Sevastova [45] | 3-6,7-5,4-6 |