| ITF W100 Madrid | 05/16 12:00 | 25 | [122] Simona Waltert v Paula Ormaechea [184] | 6-0,6-2 | |
| WTA Rome | 05/09 12:45 | 15 | [88] Anna-Lena Friedsam v Simona Waltert [122] | 7-5,6-3 | |
| WTA Rome | 05/08 12:30 | 14 | [356] Martina Colmegna v Simona Waltert [122] | 2-6,0-6 | |
| ITF - W100 Wiesbaden | 05/06 14:30 | 28 | [133] Simona Waltert v Jaimee Fourlis [179] | 6-2,5-7,6-7 | |
| ITF - W100 Wiesbaden | 05/05 16:25 | 27 | Lois Boisson v Simona Waltert | 4-6,5-7 | |
| ITF - W100 Wiesbaden | 05/04 12:40 | 26 | [188] Yanina Wickmayer v Simona Waltert [133] | 6-1,3-6,6-7 | |
| ITF - W100 Wiesbaden | 05/02 10:30 | 25 | [186] Natalija Stevanovic v Simona Waltert [133] | 4-6,7-5,4-6 | |
| ITF W60 Bellinzona | 04/20 08:00 | 26 | [203] Natalija Stevanovic v Simona Waltert [118] | 6-4,6-4 | |
| ITF W60 Bellinzona | 04/19 07:30 | 25 | [359] Tessah Andrianjafitrimo v Simona Waltert [118] | 3-6,3-6 | |
| ITF W60 Chiasso | 04/12 11:40 | 25 | [265] Celine Naef v Simona Waltert [118] | 6-3,7-5 | |
| WTA - Miami | 03/19 15:00 | 14 | [120] Simona Waltert v Tereza Martincova [113] | 3-6,2-6 | |
| WTA - Indian Wells | 03/06 22:45 | 14 | [103] Rebecca Peterson v Simona Waltert [120] | 6-3,6-1 | |
| WTA Monterrey | 02/25 21:00 | 14 | [124] Simona Waltert v Ruse, Elena-Gabriela [164] | 7-6,0-6,2-6 | |
| WTA Merida | 02/20 19:00 | 25 | [124] Simona Waltert v Ysaline Bonaventure [95] | 6-4,5-7,1-6 | |
| ITF W60 Grenoble | 02/12 13:30 | 29 | [132] Simona Waltert v Oceane Dodin [112] | 2-6,5-7 | |
| ITF W60 Grenoble | 02/11 15:30 | 28 | [158] Oksana Selekhmeteva v Simona Waltert [132] | 3-6,1-6 | |
| ITF W60 Grenoble | 02/10 13:40 | 27 | [132] Simona Waltert v Kathinka Von Deichmann [279] | 6-4,7-5 | |
| ITF W60 Grenoble | 02/09 18:00 | 26 | [132] Simona Waltert v Emeline Dartron [457] | 6-4,2-6,6-4 | |
| ITF W60 Grenoble | 02/08 13:05 | 25 | [132] Simona Waltert v Magali Kempen [199] | 6-3,4-6,6-3 | |
| WTA Lyon | 01/29 11:00 | 19 | [124] Ana Konjuh v Simona Waltert [128] | 6-3,3-6,6-2 | |
| WTA Lyon | 01/28 11:35 | 14 | [128] Simona Waltert v Magdalena Frech [102] | 7-6,7-6 | |
| ITF W60 Andrezieux-Boutheon | 01/27 13:55 | 27 | [179] Oksana Selekhmeteva v Simona Waltert [128] | 6-3,6-3 | |
| ITF W60 Andrezieux-Boutheon | 01/26 14:00 | 26 | [419] Celine Naef v Simona Waltert [128] | 6-2,3-6,4-6 | |
| ITF W60 Andrezieux-Boutheon | 01/25 16:20 | 25 | Tiantsoa S R Rajaonah v Simona Waltert | 2-6,4-6 | |
| Open d'Australie - Femmes | 01/12 05:30 | 19 | [191] Katherine Sebov v Simona Waltert [129] | 6-3,6-4 | |
| Open d'Australie - Femmes | 01/11 04:20 | 15 | [224] Astra Sharma v Simona Waltert [129] | 2-6,4-6 | |
| Open d'Australie - Femmes | 01/10 04:45 | 14 | [223] Greet Minnen v Simona Waltert [129] | 7-6,6-7,1-6 | |
| ITF W60 Canberra | 01/02 04:30 | 25 | [125] Simona Waltert v Daria Snigur [148] | 3-6,6-3,4-6 | |
| ITF W100 Shrewsbury | 11/01 11:35 | 25 | [119] Simona Waltert v Yanina Wickmayer [354] | 6-4,4-6,1-6 | |
| ITF W100 Les Franqueses | 10/27 11:20 | 26 | [112] Simona Waltert v Rebeka Masarova [142] | 6-2,3-6,4-6 |