Stadium: Court 1 Round: 54 Ground: Clay
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/12/07 07:15 | Chihiro Muramatsu v Paula Ormaechea | 3-6,2-6 |
| ITF W25 Tarvisio | 2020/09/09 10:10 | Paula Ormaechea v Federica Di Sarra | 6-7,5-7 |
| WTA Prague | 2020/08/30 11:00 | Paula Ormaechea v Sara Errani | 6-0,5-7,6-7 |
| Italian National Tour Women | 2020/07/02 11:35 | Rubini, Stefania v Paula Ormaechea | 7-6,6-2 |
| Italian National Tour Women | 2020/07/01 07:00 | Aurora Zantedeschi v Paula Ormaechea | 5-7,6-7 |
| ITF W25 Antalya | 2020/03/04 07:00 | Paula Ormaechea v Anna Danilina | 1-6,2-6 |
| Fed Cup, Matchs en Doubles | 2020/02/08 14:45 | Paula Ormaechea v Maria Camila Osorio Serrano | 6-4,6-4 |
| Fed Cup, Matchs en Doubles | 2020/02/07 14:40 | Paula Ormaechea v Romina Ccuno | 6-1,6-1 |
| Fed Cup, Matchs en Doubles | 2020/02/06 14:45 | Paula Ormaechea v Daniela Seguel | 6-3,6-3 |
| ITF W80 Tyler | 2020/10/26 15:00 | Peyton Stearns v Chihiro Muramatsu | 6-3,3-6,10-6 |
| ITF W25 Porto | 2020/10/01 10:30 | Chihiro Muramatsu v Francisca Jorge | 4-6,3-6 |
| ITF W25 Porto | 2020/09/29 12:00 | Chihiro Muramatsu v Ekaterine Gorgodze | 6-4,3-6,6-4 |
| Open de France - Femmes | 2020/09/22 14:40 | Chihiro Muramatsu v Niculescu, Monica | 2-6,5-7 |
| Cagnes-Sur-Mer, Simples W-ITF-FRA-12A | 2020/09/13 08:00 | Chihiro Muramatsu v Eden Silva | 6-3,4-6,5-10 |
| ITF W25 Prague | 2020/09/10 12:25 | Barbora Krejcikova v Chihiro Muramatsu | 6-1,6-2 |
| ITF W25 Prague | 2020/09/09 11:50 | Detiuc, Anastasia v Chihiro Muramatsu | 2-6,7-6,4-6 |
| WTA Prague | 2020/09/02 08:00 | Lisicki, Sabine v Chihiro Muramatsu | 6-4,6-4 |