Stadium: S Round: 25
| ITF Women Dothan | 2017/04/22 17:30 | Ahn, Kristie v Haas, Barbara | 6-2,6-2 |
| ITF Women Pelham | 2018/04/13 16:00 | Bolsova Zadoinov, Aliona v Haas, Barbara | 6-2,6-2 |
| ITF Women Pelham | 2018/04/12 19:10 | Marine Partaud v Haas, Barbara | 2-6,3-6 |
| ITF Women Pelham | 2018/04/10 23:30 | Osaka, Mari v Haas, Barbara | 6-4,6-7,0-6 |
| Jackson, Singles W-WITF-USA-09A | 2018/04/06 15:00 | Whitney Osuigwe v Haas, Barbara | 6-0,7-5 |
| Jackson, Singles W-WITF-USA-09A | 2018/04/05 16:55 | Marand, Sanaz v Haas, Barbara | 3-6,2-6 |
| Jackson, Singles W-WITF-USA-09A | 2018/04/04 17:05 | Rasheeda McAdoo v Haas, Barbara | 7-6,5-7,6-7 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/03/22 16:40 | Vasylyeva, Anastasiya v Haas, Barbara | 6-0,6-3 |
| ITF Women Sao Paulo | 2018/03/03 14:00 | Julia Grabher v Haas, Barbara | 6-2,6-7,6-3 |
| Indian Harbour Beach, Simples W-WITF-USA-10A | 2018/04/12 14:00 | Irina Maria Bara v Ahn, Kristie | 7-6,7-6 |
| Indian Harbour Beach, Simples W-WITF-USA-10A | 2018/04/10 16:00 | Stewart, Katerina v Ahn, Kristie | 5-7,3-6 |
| WTA - Charleston | 2018/04/04 14:00 | Goerges, Julia v Ahn, Kristie | 2-6,6-4,7-6 |
| WTA - Charleston | 2018/04/03 15:25 | Ahn, Kristie v Stosur, Samantha | 6-2,6-4 |
| WTA Miami Qual | 2018/03/19 15:45 | Voegele, Stefanie v Ahn, Kristie | 7-5,6-2 |
| Indian Wells, USA, Qualifying | 2018/03/06 20:50 | Arruabarrena, L. v Ahn, Kristie | 7-5,6-3 |
| Indian Wells, USA, Qualifying | 2018/03/05 22:20 | Carol Zhao v Ahn, Kristie | 6-4,6-7,2-6 |
| WTA - Indian Wells | 2018/03/01 22:55 | Ahn, Kristie v Sara Errani | 4-6,0-6 |