| Hong Kong, Simples W-ITF-HKG-01B | 12/31 04:00 | 45 | Ueda, Ramu v Chihiro Muramatsu | 2-6,3-6 | |
| Open d'Australie Asie-Pacifique Wildcard Playoff | 12/01 03:00 | 28 | [411] Chihiro Muramatsu v Chang, Kai-Chen [442] | 3-6,3-6 | |
| Open d'Australie Asie-Pacifique Wildcard Playoff | 11/30 02:00 | 27 | [280] Yadlapalli, Pranjala v Chihiro Muramatsu [411] | 2-6,5-7 | |
| Open d'Australie Asie-Pacifique Wildcard Playoff | 11/28 02:00 | 26 | [411] Chihiro Muramatsu v Fang Ying Xun [210] | 6-3,6-3 | |
| Australian Open Women WC Qual | 11/27 04:40 | 164 | [411] Chihiro Muramatsu v Sun, Xu Liu [328] | 6-1,6-3 | |
| ITF Women Toowoomba | 10/13 06:00 | 27 | Chihiro Muramatsu v Perez, Ellen | 2-6,7-6,4-6 | |
| ITF Women Toowoomba | 10/11 03:30 | 26 | [169] Rogowska, Olivia v Chihiro Muramatsu [379] | 5-7,7-6,1-6 | |
| ITF Women Toowoomba | 10/10 02:20 | 25 | [379] Chihiro Muramatsu v Routliffe, Erin [99] | 6-3,6-0 | |
| ITF Women Toowoomba | 10/08 04:00 | 62 | Chihiro Muramatsu v Alexandra Osborne | 4-6,6-3,6-3 | |
| ITF Women Toowoomba | 10/08 00:00 | 62 | Chihiro Muramatsu v Djokovic, Andjela | 6-2,6-3 | |
| ITF Women Brisbane | 10/04 00:00 | 26 | [373] Chihiro Muramatsu v Heisen, Vivian [419] | 3-6,6-4,5-7 | |
| ITF Women Brisbane | 10/03 03:00 | 25 | Erika Sema v Chihiro Muramatsu | Cancelled | |
| ITF Women Brisbane | 10/03 02:50 | 25 | [391] Moyuka Uchijima v Chihiro Muramatsu [373] | 6-3,5-7,4-6 | |
| ITF Women Brisbane | 10/01 02:00 | 62 | [356] Chihiro Muramatsu v Haruna Arakawa [407] | 6-1,6-4 | |
| ITF Women Brisbane | 09/30 07:00 | 62 | Chihiro Muramatsu v Talcott, Shelby | 6-3,6-2 | |
| ITF Women Darwin | 09/25 01:55 | 54 | [385] Irina Ramialison v Chihiro Muramatsu [356] | 6-2,6-4 | |
| ITF Women Darwin | 09/24 00:30 | 54 | [367] Yoshitomi, Aiko v Chihiro Muramatsu [387] | 0-6,2-6 | |
| ITF Women Darwin | 09/23 03:15 | 54 | Mays, Lisa v Chihiro Muramatsu | 6-1,4-6,3-6 | |
| WTA Tokyo | 09/16 06:55 | - | [111] Eugenie Bouchard v Chihiro Muramatsu [411] | 6-1,2-6,6-5 | |
| WTA Tokyo | 09/16 06:50 | 46 | Eugenie Bouchard v Chihiro Muramatsu | 6-1,2-6,7-5 | |
| WTA Tokyo | 09/15 09:40 | 45 | [411] Chihiro Muramatsu v Eguchi, Misa [474] | 6-2,6-0 | |
| WTA Tokyo | 09/15 08:00 | 164 | Chihiro Muramatsu v Dabrowski, Gabriela | Cancelled | |
| Hiroshima, Japon | 09/09 08:25 | 46 | [152] Arina Rodionova v Chihiro Muramatsu [433] | 3-6,6-4,7-5 | |
| Hiroshima, Japon | 09/08 02:00 | 45 | [250] Ozaki, Risa v Chihiro Muramatsu [433] | 4-6,6-3,3-6 | |
| ITF Women Nanao | 08/30 03:00 | 26 | Chihiro Muramatsu v Haruka Kaji | 1-6,2-6 | |
| ITF Women Nanao | 08/28 03:00 | 25 | [410] Ueda, Ramu v Chihiro Muramatsu [433] | 2-6,5-7 | |
| Tsukuba, Singles W-WITF-JPN-09A | 08/24 01:00 | 27 | [435] Chihiro Muramatsu v Momoko Kobori [252] | 2-6,3-6 | |
| Tsukuba, Singles W-WITF-JPN-09A | 08/23 00:30 | 26 | [286] Hiroko Kuwata v Chihiro Muramatsu [435] | 6-7,2-6 | |
| Tsukuba, Singles W-WITF-JPN-09A | 08/22 00:30 | 25 | Chihiro Muramatsu v Michika Ozeki | 6-1,6-2 | |
| Nonthaburi, Simples W-WITF-THA-09A | 08/13 02:00 | 25 | [439] Chihiro Muramatsu v Mana Ayukawa [462] | 5-7,5-7 |
Chihiro Muramatsu (村松千裕, Muramatsu Chihiro, born 22 May 1998) is a Japanese tennis player.
On 24 February 2020, Muramatsu achieved a career-high singles ranking of world No. 205. On 2 April 2018, she peaked at No. 303 in the WTA doubles rankings. Muramatsu has won one singles title and three doubles titles on the ITF Circuit.
She made her WTA Tour main-draw debut at the 2018 Japan Open, after receiving a wildcard for the women's doubles tournament, partnering Hiroko Kuwata.
At the 2019 Kunming Open, as a part of the ITF Circuit, Muramatsu made one of her biggest victory defeating top 100 Zhu Lin in the second round.