Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Lagos, Singles W-WITF-NGR-02A | 2018/10/01 13:40 | Adesuwa Osabuohien v van Der Hoek, Rosalie | 2-6,5-7 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/10 13:00 | McCartney Kessler v Adesuwa Osabuohien | 7-5,6-3 |
| ITF Women Pelham Qual | 2018/04/08 15:00 | Kukharchuk, Nika v Adesuwa Osabuohien | 6-0,6-1 |
| ITF Women Jackson Qual | 2018/04/02 16:30 | Weinhold, Ashley v Adesuwa Osabuohien | 6-1,6-1 |
| Tampa, Singles Qualifying W-WITF-USA-08A | 2018/03/12 18:30 | Adesuwa Osabuohien v Tevez, Gabriela | 5-7,6-1,4-6 |
| ITF Women Orlando Qual | 2018/03/06 15:00 | Madison Sieg v Adesuwa Osabuohien | 6-1,6-0 |
| ITF Women Orlando Qual | 2018/03/05 15:00 | Adesuwa Osabuohien v Robinson, Alicia | 6-4,6-3 |
| ITF Women Orlando Qual | 2018/03/04 15:30 | Mccray, Morgan v Adesuwa Osabuohien | 6-7,2-6 |
| Lagos, Singles W-WITF-NGR-02A | 2018/10/04 14:25 | Conny Perrin v Kolar, Nastja | 6-4,6-2 |
| Lagos, Singles W-WITF-NGR-02A | 2018/10/03 09:00 | Merel Hoedt v Kolar, Nastja | 3-6,1-6 |
| Lagos, Singles W-WITF-NGR-02A | 2018/10/02 10:30 | Noa Liauw A Fong v Kolar, Nastja | 3-6,3-6 |
| ITF Women Monastir | 2018/09/19 09:00 | Kolar, Nastja v Bouzgarrou, Mouna | 6-0,6-1 |
| ITF Women Zagreb | 2018/09/02 14:35 | Dea Herdzelas v Kolar, Nastja | 7-5,0-6,7-6 |
| ITF Women Zagreb | 2018/09/02 09:40 | Nina Ugrelidze v Kolar, Nastja | 3-6,1-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/08/30 06:50 | Ivakhnenko, Valentyna v Kolar, Nastja | 3-6,6-2,7-5 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/08/29 04:30 | Talbi, Shalimar v Kolar, Nastja | 1-6,0-6 |