Stadium: C Round: 26
| ITF Women Versmold | 2017/07/13 15:55 | Patty Schnyder v Barbara Haas | 3-6,5-7 |
| ITF Women Dubai | 2016/12/13 12:50 | Barbara Haas v Patty Schnyder | 3-6,6-3,7-5 |
| ITF Women Dothan | 2018/04/17 23:00 | Barbara Haas v Kristie Ahn | 6-1,6-3 |
| ITF Women Pelham | 2018/04/13 16:00 | Aliona Bolsova Zadoinov v Barbara Haas | 6-2,6-2 |
| ITF Women Pelham | 2018/04/12 19:10 | Marine Partaud v Barbara Haas | 2-6,3-6 |
| ITF Women Pelham | 2018/04/10 23:30 | Mari Osaka v Barbara Haas | 6-4,6-7,0-6 |
| ITF Women Jackson | 2018/04/06 15:00 | Whitney Osuigwe v Barbara Haas | 6-0,7-5 |
| ITF Women Jackson | 2018/04/05 16:55 | Sanaz Marand v Barbara Haas | 3-6,2-6 |
| ITF Women Jackson | 2018/04/04 17:05 | Rasheeda McAdoo v Barbara Haas | 7-6,5-7,6-7 |
| ITF Women Santa Margherita | 2018/03/22 16:40 | Anastasiya Vasylyeva v Barbara Haas | 6-0,6-3 |
| WTA Charleston Qual | 2018/03/31 21:30 | Patty Schnyder v Claire Liu | 6-7,4-6 |
| ITF Women Santa Margherita | 2018/03/26 10:30 | Patty Schnyder v Olga Danilovic | 3-6,6-3,3-10 |
| ITF Women Santa Margherita | 2018/03/24 12:40 | Kathinka Von Deichmann v Patty Schnyder | 4-6,2-6 |
| ITF Women Santa Margherita | 2018/03/23 12:00 | Lucrezia Stefanini v Patty Schnyder | 2-6,1-6 |
| ITF Women Santa Margherita | 2018/03/22 18:25 | Natalija Stevanovic v Patty Schnyder | 6-2,4-6,3-6 |
| WTA Budapest Qual | 2018/02/19 12:15 | Georgina Garcia-Perez v Patty Schnyder | 5-7,6-3,6-2 |
| WTA Budapest Qual | 2018/02/18 13:10 | Kaja Juvan v Patty Schnyder | 6-7,6-4,3-6 |
| ITF Women Launceston | 2018/02/07 23:00 | Patty Schnyder v Zoe Hives | 4-6,2-6 |