Stadium: Court 2 Round: 25
| WTA Prague Qual | 2018/04/28 13:35 | Voegele, Stefanie v Ivakhnenko, Valentyna | 6-0,6-2 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/11/03 15:20 | Cuk, Pia v Ivakhnenko, Valentyna | 2-6,1-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/11/03 11:00 | Lea Boskovic v Ivakhnenko, Valentyna | 1-6,4-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/11/02 16:30 | Ene, Cristina v Ivakhnenko, Valentyna | 2-6,2-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/11/01 10:35 | Daria Frayman v Ivakhnenko, Valentyna | 0-6,2-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/30 16:30 | Juhaszova, Vivien v Ivakhnenko, Valentyna | 4-6,1-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/10/24 12:00 | Ivakhnenko, Valentyna v Polina Leykina | 6-3,5-7,2-6 |
| WTA Moscow | 2018/10/13 07:00 | Ivakhnenko, Valentyna v Harriet Dart | 1-6,3-6 |
| ITF Women Saint Malo | 2018/09/18 16:15 | Ivakhnenko, Valentyna v Martina Trevisan | 1-6,6-7 |
| ITF Women Poitiers | 2018/10/24 16:05 | Voegele, Stefanie v Vikhlyantseva, Natalia | 5-7,6-3,4-6 |
| ITF Women Poitiers | 2018/10/23 10:20 | Voegele, Stefanie v Jamie Loeb | 6-7,7-6,6-2 |
| WTA Luxembourg | 2018/10/16 13:45 | Voegele, Stefanie v Muguruza, Garbine | 4-6,4-6 |
| WTA - Linz | 2018/10/09 09:00 | Larsson, Johanna v Voegele, Stefanie | 6-2,4-6,6-4 |
| WTA Tashkent | 2018/09/24 06:20 | Voegele, Stefanie v Anastasia Potapova | 6-4,6-7,3-6 |
| WTA Seoul | 2018/09/19 07:25 | Voegele, Stefanie v Su-Wei Hsieh | 2-6,1-6 |
| WTA Seoul | 2018/09/17 04:30 | Choi, Ji-Hee v Voegele, Stefanie | 3-6,6-2,4-6 |
| US Open Women | 2018/08/28 20:05 | Monica Puig v Voegele, Stefanie | 6-0,6-0 |