| ITF - W75 Chiasso | 04/19 12:20 | 27 | [112] Julia Riera v Simona Waltert [159] | 6-2,6-4 | |
| ITF - W75 Chiasso | 04/18 10:40 | 26 | [411] Lucia Cortez Llorca v Simona Waltert [159] | 4-6,3-6 | |
| ITF - W75 Chiasso | 04/17 13:15 | 25 | [371] Daniela Vismane v Simona Waltert [159] | 3-6,0-6 | |
| Billie Jean King Cup | 04/13 12:40 | 64 | Simona Waltert v Magdalena Frech | Cancelled | |
| Billie Jean King Cup | 04/12 12:00 | 64 | [158] Simona Waltert v Iga Swiatek [1] | 3-6,1-6 | |
| ITF - W75 Split | 04/03 10:15 | 26 | [158] Simona Waltert v Ipek Oz [223] | 6-1,3-6,5-7 | |
| ITF - W75 Split | 04/02 16:45 | 25 | [158] Simona Waltert v Louisa Chirico [265] | 6-4,4-6,7-6 | |
| WTA Antalya | 03/30 08:00 | 28 | [181] Simona Waltert v Jessica Bouzas Maneiro [127] | 2-6,3-6 | |
| WTA Antalya | 03/29 08:00 | 27 | [181] Simona Waltert v Olga Danilovic [133] | 7-6,6-2 | |
| WTA Antalya | 03/28 09:55 | 26 | [181] Simona Waltert v Elsa Jacquemot [157] | 6-2,6-4 | |
| WTA Antalya | 03/26 08:00 | 25 | [144] Dalma Galfi v Simona Waltert [181] | 4-6,3-6 | |
| ITF - W75 Trnava | 03/04 12:00 | 54 | [186] Simona Waltert v Nigina Abduraimova [246] | 3-6,5-7 | |
| ITF - W50 Mâcon | 02/27 14:20 | 25 | Simona Waltert v Amandine Monnot | 6-7,6-3,4-6 | |
| ITF - W50 Roehampton | 02/16 12:00 | 27 | [194] Antonia Ruzic v Simona Waltert [192] | 6-2,4-6,7-5 | |
| ITF - W50 Roehampton | 02/15 11:25 | 26 | Hannah Klugman v Simona Waltert | 2-6,2-6 | |
| ITF - W50 Roehampton | 02/13 10:00 | 25 | [419] Audrey Albie v Simona Waltert [192] | 6-4,4-6,4-6 | |
| WTA - Cluj-Napoca | 02/05 13:30 | 25 | [175] Simona Waltert v Anna Blinkova [51] | 3-6,0-6 | |
| WTA - Cluj-Napoca | 02/04 12:55 | 19 | [119] Anna Bondar v Simona Waltert [169] | 2-6,5-7 | |
| WTA - Cluj-Napoca | 02/03 14:40 | 14 | Maria Teodorescu v Simona Waltert | 0-6,0-6 | |
| ITF - W50 Porto | 01/31 12:30 | 25 | [207] Francisca Jorge v Simona Waltert [169] | 6-7,6-4,6-2 | |
| Open d'Australie - Femmes | 01/11 23:00 | 19 | [166] Simona Waltert v Anastasia Zakharova [191] | 6-7,1-6 | |
| Open d'Australie - Femmes | 01/10 06:35 | 15 | [113] Marina Bassols Ribera v Simona Waltert [166] | 6-2,1-6,3-6 | |
| Open d'Australie - Femmes | 01/09 00:30 | 14 | [166] Simona Waltert v Petra Marcinko [174] | 6-1,6-1 | |
| WTA Canberra | 12/31 23:00 | 19 | [136] Daria Snigur v Simona Waltert [171] | 6-1,6-3 | |
| WTA Canberra | 12/31 01:15 | 25 | [178] Raluka Serban v Simona Waltert [167] | 6-7,6-4,3-6 | |
| ITF W60 Nantes | 10/31 15:30 | 25 | [448] Manon Leonard v Simona Waltert [167] | 6-4,6-0 | |
| ITF W80 Poitiers | 10/26 10:25 | 26 | [159] Jessika Ponchet v Simona Waltert [167] | 4-6,6-2,7-6 | |
| ITF W80 Poitiers | 10/25 14:05 | 25 | [167] Simona Waltert v Alice Robbe [214] | 6-0,4-6,6-3 | |
| ITF W100 Shrewsbury | 10/20 11:55 | 27 | [177] Simona Waltert v Amarni Banks [432] | 6-2,3-6,2-6 | |
| ITF W100 Shrewsbury | 10/19 09:25 | 26 | Simona Waltert v Andre Lukosiute | 7-5,7-6 |