| ITF W60 Zagreb | 04/27 09:00 | 25 | [156] Barbara Haas v Cristina Bucsa [167] | 6-7,6-1,6-2 | |
| WTA Istanbul | 04/20 08:00 | 25 | [55] Kristina Mladenovic v Barbara Haas [156] | 6-4,6-3 | |
| WTA Istanbul | 04/18 10:25 | 19 | [155] Barbara Haas v Nuria Parrizas-Diaz [159] | 6-2,1-6,0-6 | |
| WTA Istanbul | 04/17 15:10 | 14 | Barbara Haas v Zeynep Sonmez | 6-3,7-5 | |
| WTA Dubai | 03/07 10:35 | 19 | [72] Irina-Camelia Begu v Barbara Haas [151] | Retired | |
| WTA Dubai | 03/06 07:55 | 14 | [496] Gabriela Dabrowski v Barbara Haas [151] | 6-2,2-6,3-6 | |
| WTA Lyon | 02/28 09:00 | 19 | [151] Barbara Haas v Giulia Gatto Monticone [170] | 6-2,3-6,3-6 | |
| WTA Lyon | 02/27 09:00 | 14 | Barbara Haas v Lois Boisson | 3-6,6-2,7-5 | |
| Australian Open Women | 01/10 08:10 | 60 | [186] Maria C O Serrano v Barbara Haas [149] | 6-3,3-6,7-5 | |
| WTA Linz | 11/11 15:30 | 25 | [46] Veronika Kudermetova v Barbara Haas [148] | 6-0,6-0 | |
| French Open Women | 09/28 13:30 | 23 | [143] Barbara Haas v Su-Wei Hsieh [63] | 3-6,6-7 | |
| French Open Women | 09/25 11:10 | 19 | [179] Elena Gabriela Ruse v Barbara Haas [143] | 4-6,5-7 | |
| French Open Women | 09/24 12:05 | 15 | [231] Julia Grabher v Barbara Haas [143] | 3-6,3-6 | |
| French Open Women | 09/22 13:10 | 14 | [220] Daria Snigur v Barbara Haas [143] | 0-6,7-5,5-7 | |
| US Open Women | 09/01 22:20 | 23 | [27] Victoria Azarenka v Barbara Haas [139] | 6-1,6-2 | |
| WTA Palermo | 08/01 15:40 | 54 | [145] Yanina Wickmayer v Barbara Haas [137] | 0-6,6-2,6-3 | |
| WTA Indian Wells | 03/05 18:00 | 26 | [135] Barbara Haas v Yanina Wickmayer [153] | 1-6,6-7 | |
| WTA Indian Wells | 03/04 19:15 | 25 | [83] Christina McHale v Barbara Haas [135] | 6-4,4-6,3-6 | |
| WTA Indian Wells | 03/03 18:00 | 24 | [135] Barbara Haas v Irina Falconi [312] | 6-4,1-6,6-3 | |
| WTA Doha | 02/21 12:40 | 45 | [135] Barbara Haas v Camila Giorgi [102] | 6-3,6-7,0-6 | |
| WTA Hua Hin | 02/13 08:00 | 26 | [140] Barbara Haas v Xiyu Wang [134] | 3-6,4-6 | |
| WTA Hua Hin | 02/11 08:00 | 25 | [140] Barbara Haas v Chihiro Muramatsu [214] | 3-6,7-5,6-3 | |
| Australian Open Women | 01/18 01:30 | 46 | [119] Greet Minnen v Barbara Haas [143] | 6-2,6-1 | |
| Australian Open Women | 01/16 23:00 | 45 | [166] Lesley Pattinama Kerkhove v Barbara Haas [143] | 4-6,6-4,1-6 | |
| Australian Open Women | 01/15 02:00 | 44 | [171] Kristina Kucova v Barbara Haas [143] | 6-2,4-6,4-6 | |
| WTA Brisbane | 01/04 02:50 | 45 | [41] Veronika Kudermetova v Barbara Haas [147] | 7-5,6-3 | |
| ITF W25 Navi Mumbai | 12/22 11:30 | 29 | Barbara Haas v Sunam Jeong | 4-6,6-2,7-6 | |
| ITF W25 Navi Mumbai | 12/21 10:30 | 28 | [147] Barbara Haas v Martina Caregaro [318] | 3-6,6-3,6-4 | |
| ITF W25 Navi Mumbai | 12/20 10:00 | 27 | [147] Barbara Haas v Amina Anshba [374] | 7-5,6-3 | |
| ITF W25 Navi Mumbai | 12/19 11:00 | 26 | [147] Barbara Haas v Nudnida Luangnam [359] | 6-2,4-6,6-2 |