Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Czech Republic
04.10.06, 17 years
04.10.06, 17 years
Funa Kozaki vs. Karolina Heiderova - head to head matches
| 05.09.21 | q 1 | Funa Kozaki | Karolina Heiderova | 6-0, 6-2 | match details |  W25 Frydek | Clay |
Funa Kozaki form & Karolina Heiderova form
Funa Kozaki - last matches
 W35 Osaka - Hard | ||||
| 07.04.24 q 1 | vs. Yu-Yun Li | 6-76, - Funa Kozaki - retired |  | match details |
 W35 Antalya - Clay | ||||
| 05.02.24 q 2 | vs. Julia Ronney | 3-6, 3-6 | | match details |
| 04.02.24 q 1 | vs. Rebeka Antal | 6-0, 6-2 |  | match details |
| W15 Antalya - Clay | ||||
| 30.01.24 1st round | vs. Amarissa Kiara Toth | 3-6, 6-4, 3-6 | | match details |
 W40 Navi - Hard | ||||
| 28.12.23 2nd round | vs. Diana Marcinkevica | 4-6, 5-7 | | match details |
| 26.12.23 1st round | vs. Zeel Desai | 6-1, 6-74, 6-2 | | match details |
| W25 Solapur - Hard | ||||
| 20.12.23 1st round | vs. Ekaterina Makarova (1996) | 1-6, 2-6 | | match details |
| W40 Yokohama - Hard | ||||
| 27.11.23 qual. | vs. Karen Tsutsumi | 6-4, 3-6, 2-6 | | match details |
| 26.11.23 q 1 | vs. Riko Kikawada | 7-65, 3-6, 6-1 | | match details |
| W25 Hamamatsu - Carpet | ||||
| 13.10.23 1/4 | vs. Haruka Kaji | 2-6, 6-2, 2-6 | | match details |
| 12.10.23 2nd round | vs. Mayuka Aikawa | 6-1, 6-3 | | match details |
| 10.10.23 1st round | vs. Momoko Kobori | 7-5, 7-65 | | match details |
| W25 Makinohara - Carpet | ||||
| 05.10.23 2nd round | vs. Rina Saigo | 3-6, 1-6 | | match details |
| 04.10.23 1st round | vs. Miho Kuramochi | 6-3, 3-6, 6-1 | | match details |
| 03.10.23 qual. | vs. Rio Tsuda | 6-4, 6-2 | | match details |
| 02.10.23 q 1 | vs. Ayane Tosaka | 6-1, 6-2 | | match details |
| W40 Nanao - Carpet | ||||
| 29.09.23 1/4 | vs. Miho Kuramochi | 2-6, 6-2, 1-6 | | match details |
| 28.09.23 2nd round | vs. Mio Mushika | 5-7, 7-5, 2-3, Mio Mushika - retired | | match details |
| 27.09.23 1st round | vs. Eri Shimizu | 6-4, 6-2 | | match details |
| 25.09.23 qual. | vs. Aely Arai | 6-4, 6-3 | | match details |
| W100 Tokyo - Hard | ||||
| 03.09.23 q 1 | vs. Fernanda Contreras Gomez | 0-6, 1-6 | | match details |
| W15 Sapporo - Hard | ||||
| 10.08.23 2nd round | vs. Kisa Yoshioka | 3-6, 0-2, - Funa Kozaki - retired | | match details |
| 09.08.23 1st round | vs. Man Ying Maggie Ng | 6-2, 6-1 | | match details |
| W15 Sapporo - Hard | ||||
| 04.08.23 1/4 | vs. Rinon Okuwaki | 4-6, 5-7 | | match details |
| 03.08.23 2nd round | vs. Gio Jang | 6-1, 6-2 | | match details |
| 02.08.23 1st round | vs. Ya-Hsuan Lee | 6-3, 6-2 | | match details |
| W15 Sapporo - Hard | ||||
| 26.07.23 1st round | vs. Ayumi Miyamoto | 6-0, 2-6, 1-6 | | match details |
.png){kind=small} W25 Tainan - Clay | ||||
| 21.06.23 1st round | vs. Yu Chin Tsai | 4-6, 4-6 | | match details |
| W25 Tainan - Clay | ||||
| 14.06.23 1st round | vs. En Shuo Liang | 6-3, 3-6, 0-6 | | match details |
| W25 Tokyo - Hard | ||||
| 29.05.23 qual. | vs. Yukina Saigo | 3-6, 6-4, 10-12 | | match details |
Karolina Heiderova - last matches
| W25 Frydek - Clay | ||||
| 05.09.21 q 1 | vs. Funa Kozaki | 0-6, 2-6 | | match details |