| ITF Women Makinohara | 10/14 01:00 | 27 | Τσιχίρο Μουραμάτσου v Ksenia Lykina | 6-7,7-6,6-7 | |
| ITF Women Makinohara | 10/13 02:25 | 26 | Τσιχίρο Μουραμάτσου v Τσίεχ- Γιου Χσου | 6-2,6-3 | |
| ITF Women Makinohara | 10/11 02:40 | 25 | Κιόκα Οκαμούρα v Τσιχίρο Μουραμάτσου | 2-6,1-6 | |
| ITF Women Makinohara Qual | 10/10 00:30 | 54 | Τσιχίρο Μουραμάτσου v Sakura Hondo | 6-2,6-0 | |
| ITF Women Makinohara Qual | 10/09 00:30 | 54 | Τσιχίρο Μουραμάτσου v Mami Hasegawa | 6-1,6-1 | |
| ITF Women Iizuka | 10/01 01:00 | 27 | Τσιχίρο Μουραμάτσου v Κάι-Τσεν Τσανγκ | 1-6,1-6 | |
| ITF Women Iizuka | 09/30 02:30 | 26 | Shiho Hisamatsu v Τσιχίρο Μουραμάτσου | 0-6,2-6 | |
| ITF Women Iizuka | 09/27 01:00 | 25 | Τσιχίρο Μουραμάτσου v Miyabi Inoue | 6-4,6-2 | |
| ITF Women Iizuka Qual | 09/26 02:25 | 54 | Τσιχίρο Μουραμάτσου v Hayaka Murase | 6-2,6-2 | |
| ITF Women Iizuka Qual | 09/25 04:00 | 54 | Τσιχίρο Μουραμάτσου v Xόνοκα Ουτσιγιάμα | 6-0,6-1 | |
| WTA Tokyo Qual | 09/17 04:00 | 45 | Alicja Rosolska v Τσιχίρο Μουραμάτσου | 6-4,4-6,6-3 |
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.