| ITF Women Nonthaburi | 08/13 02:00 | 25 | [439] Τσιχίρο Μουραμάτσου v Μάνα Αγιουκάβα [462] | 5-7,5-7 | |
| ITF Women Nonthaburi | 08/07 02:00 | 25 | [439] Τσιχίρο Μουραμάτσου v Ντάμπιν Κιμ [449] | 1-6,1-6 | |
| ITF Women Contrexeville Qual | 07/08 08:00 | 54 | [424] Μάργκοτ Γερόλυμος v Τσιχίρο Μουραμάτσου [410] | 6-3,7-5 | |
| ITF Women Denain | 07/04 11:35 | 25 | Τσιχίρο Μουραμάτσου v Βαλέρια Στράκχοβα | 1-6,4-6 | |
| ITF Women Denain Qual | 07/02 08:00 | 54 | Τσιχίρο Μουραμάτσου v Άννα Ντανίλινα | 4-6,2-6 | |
| ITF Women Denain Qual | 07/01 14:30 | 54 | Τσιχίρο Μουραμάτσου v Μανέβα Ρακοτομαλάμπα | 6-2,6-3 | |
| ITF Women Perigueux | 06/26 09:15 | 25 | [385] Μογιούκα Ουτσιζίμα v Τσιχίρο Μουραμάτσου [402] | 3-6,6-1,6-2 | |
| ITF Women Karuizawa | 05/24 01:00 | 26 | Τσιχίρο Μουραμάτσου v Κανάκο Μορισάκι | Walkover | |
| ITF Women Karuizawa | 05/22 01:00 | 25 | [395] Τσιχίρο Μουραμάτσου v Σίχο Ακίτα [448] | 6-2,6-4 | |
| ITF Women Kurume | 05/15 05:05 | 25 | [217] Ιβάνα Γιόροβιτς v Τσιχίρο Μουραμάτσου [388] | 6-3,6-3 | |
| ITF Women Fukuoka | 05/08 04:05 | 25 | [369] Abigail Tere-Apisah v Τσιχίρο Μουραμάτσου [380] | 6-3,6-2 | |
| ITF Women Gifu | 05/03 03:50 | 26 | [127] Νάο Χιμπίνο v Τσιχίρο Μουραμάτσου [391] | 6-3,7-6 | |
| ITF Women Gifu | 05/01 01:00 | 25 | [391] Τσιχίρο Μουραμάτσου v Έρικα Σέμα [301] | 7-5,3-6,7-6 | |
| ITF Women Osaka Qual | 04/09 01:00 | 62 | Τσιχίρο Μουραμάτσου v Rebecca Marino | 4-6,3-6 | |
| ITF Women Osaka Qual | 04/08 02:00 | 62 | Τσιχίρο Μουραμάτσου v Σουζούχο Οσχίνο | 6-1,6-1 | |
| ITF Women Osaka Qual | 04/07 01:30 | 62 | Τσιχίρο Μουραμάτσου v Μεγκούμι Νισιμότο | 6-1,6-1 | |
| ITF Women Kashiwa | 04/05 02:50 | 26 | [212] Ανκίτα Ράινα v Τσιχίρο Μουραμάτσου [390] | 6-2,6-1 | |
| ITF Women Kashiwa | 04/04 01:00 | 25 | [390] Τσιχίρο Μουραμάτσου v Αλίνα Σίλιτς [385] | 4-6,6-1,6-4 | |
| ITF Women Kashiwa Qual | 04/02 01:00 | 54 | [273] Κάρμαν Κάουρ Τάντι v Τσιχίρο Μουραμάτσου [389] | 5-7,6-7 | |
| ITF Women Kashiwa Qual | 04/01 02:00 | 54 | Rika Fujiwara v Τσιχίρο Μουραμάτσου | 6-4,0-6,3-6 | |
| ITF Women Kofu | 03/28 02:40 | 25 | [389] Τσιχίρο Μουραμάτσου v Σαϊσάι Ζενγκ [128] | 6-7,5-7 | |
| ITF Women Toyota | 03/14 01:00 | 25 | Julia Glushko v Τσιχίρο Μουραμάτσου | 1-6,6-3,6-2 | |
| ITF Women Toyota Qual | 03/12 01:00 | 62 | Καμίλα Ροσατέλο v Τσιχίρο Μουραμάτσου | 4-6,1-6 | |
| ITF Women Toyota Qual | 03/11 03:30 | 62 | Yuika Sano v Τσιχίρο Μουραμάτσου | 2-6,3-6 | |
| ITF Women Toyota Qual | 03/10 08:00 | 62 | Άνγκε Όμπι Καζαρού v Τσιχίρο Μουραμάτσου | 3-6,3-6 | |
| ITF Women Yokohama Qual | 03/04 07:00 | 54 | Μέι Γιαμαγούτσι v Τσιχίρο Μουραμάτσου | 6-4,6-4 | |
| ITF Women Perth Qual | 02/19 03:00 | 62 | Κιόκα Οκαμούρα v Τσιχίρο Μουραμάτσου | 6-1,7-5 | |
| ITF Women Perth | 02/14 02:00 | 25 | Τσιχίρο Μουραμάτσου v Μάγιο Χίμπι | 1-6,5-7 | |
| ITF Women Perth Qual | 02/12 02:00 | 62 | Τσιχίρο Μουραμάτσου v Κέιλα ΜακΦή | 7-5,6-2 | |
| ITF Women Perth Qual | 02/11 02:00 | 62 | Τσιχίρο Μουραμάτσου v Αγιούμι Μορίτα | 6-3,6-2 |
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.