Japan
18.12.98, 25 years
18.12.98, 25 years
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
Australia
25.07.98, 25 years
25.07.98, 25 years
Kosuke Okagaki vs. Sam Ryan Ziegann - head to head matches
| 10.06.19 | q 1 | Kosuke Okagaki | Sam Ryan Ziegann | 6-1, 6-0 | match details |  M15 Akishima | Carpet |
Kosuke Okagaki form & Sam Ryan Ziegann form
Kosuke Okagaki - last matches
| M15 Akishima - Carpet | ||||
| 13.06.19 2nd round | vs. Sho Katayama | 3-6, 3-6 |  | match details |
| 12.06.19 1st round | vs. Tamaki Yamao | 6-3, 6-1 |  | match details |
| 11.06.19 qual. | vs. Shunrou Takeshima | 6-2, 6-2 | | match details |
| 10.06.19 q 1 | vs. Sam Ryan Ziegann | 6-1, 6-0 | | match details |
 M15 Antalya - Clay | ||||
| 01.04.19 q 1 | vs. Dan Alexandru Tomescu | 3-6, 4-6 | | match details |
| M15 Antalya - Clay | ||||
| 26.03.19 1st round | vs. Wilson Leite | 5-7, 7-5, 2-6 | | match details |
| M15 Antalya - Clay | ||||
| 11.03.19 q 1 | vs. Louroi Martinez | 3-6, 6-2, 5-10 | | match details |
| M15 Antalya - Clay | ||||
| 25.02.19 qual. | vs. Mircea-Alexandru Jecan | 4-6, 0-6 | | match details |
| 25.02.19 q 1 | vs. Moritz Thiem | 3-6, 7-61, 10-3 | | match details |
| Japan F1 - Hard | ||||
| 03.03.18 q 1 | vs. Naoto Kai | 6-4, 0-6, 2-6 | | match details |
 Spain F31 - Clay | ||||
| 25.09.17 1st round | vs. Alberto Colas Sanchez | 1-6, 2-6 | | match details |
Sam Ryan Ziegann - last matches
 M25 Swan - Grass | ||||
| 20.03.24 1st round | vs. Pavle Marinkov | 0-6, 3-6 | | match details |
| 19.03.24 qual. | vs. Benjamin Loccisano | 6-2, 6-3 | | match details |
| 18.03.24 q 2 | vs. Matthew Woerndle | 6-1, 6-1 | | match details |
| M25 Mildura - Grass | ||||
| 12.03.24 1st round | vs. Matthew Hulme | 5-7, 3-6 | | match details |
| M25 Traralgon - Hard | ||||
| 29.02.24 2nd round | vs. Hiroki Moriya | 6-3, 6-73, 1-6 | | match details |
| 28.02.24 1st round | vs. Kousuke Ogura | 6-3, 6-3 | | match details |
| M25 Traralgon - Hard | ||||
| 22.02.24 2nd round | vs. James McCabe | 6-73, 6-4, 2-6 | | match details |
| 21.02.24 1st round | vs. Brandon Walkin | 7-69, 6-2 | | match details |
| 20.02.24 qual. | vs. Ethan Cook | 4-6, 6-2, 10-6 | | match details |
| 19.02.24 q 2 | vs. Seon Yong Han | 6-3, 7-65 | | match details |
| 18.02.24 q 1 | vs. Timothy Gray | 6-4, 6-3 | | match details |
 M15 Papamoa - Hard | ||||
| 19.12.23 2nd round | vs. Harrison Adams | 2-6, 1-6 | | match details |
| 19.12.23 1st round | vs. Thomas Nicholas Gadecki | 6-3, 4-6, 7-64 | | match details |
| 18.12.23 qual. | vs. Harry Pugh | 6-2, 7-63 | | match details |
| 17.12.23 q 2 | vs. Max Stephens | 6-1, 6-0 | | match details |
| M25 Gold - Hard | ||||
| 28.11.23 qual. | vs. Mason Naumovski | 3-6, 6-4, 9-11 | | match details |
| 27.11.23 q 2 | vs. Oren Vasser | 6-1, 6-1 | | match details |
| 26.11.23 q 1 | vs. Leo Phijidvijan | 6-1, 6-2 | | match details |
| M25 Brisbane - Hard | ||||
| 19.11.23 q 1 | vs. Mason Naumovski | 1-6, 2-6 | | match details |
| M25 Cairns - Hard | ||||
| 11.10.23 1st round | vs. Omar Jasika | 0-6, 3-6 | | match details |
| 10.10.23 q 2 | vs. Ethan Dunn | 6-2, 4-6, 10-8 | | match details |
| 10.10.23 qual. | vs. Alexander Klintcharov | 6-3, 6-4 | | match details |
| M25 Cairns - Hard | ||||
| 02.10.23 q 2 | vs. Blake Bayldon | 2-6, 3-6 | | match details |
| M25 Darwin - Hard | ||||
| 20.09.23 1st round | vs. Ajeet Rai | 3-6, 1-6 | | match details |
| 19.09.23 qual. | vs. Cooper Wilkinson | 6-4, 6-2 | | match details |
| 18.09.23 q 2 | vs. Flynn Caruana | 6-3, 6-1 | | match details |
| M25 Darwin - Hard | ||||
| 12.09.23 1st round | vs. Jake Delaney | 2-6, 3-6 | | match details |
| M15 Caloundra - Hard | ||||
| 01.08.23 qual. | vs. Arjun Mehrotra | 2-6, 3-6 | | match details |
| 31.07.23 q 2 | vs. William Jesser | 6-0, 7-63 | | match details |
| M15 Caloundra - Hard | ||||
| 24.07.23 q 2 | vs. Anton Shepp | 3-6, 7-66, 4-10 | | match details |
