Japan Open: Titles by Player, All Men's Singles Champions
On this page you will find the complete list of Japan Open men's singles champions, highlighting the players who have won the most titles throughout the history of this tennis tournament. Details about each champion are also provided, including the total number of titles won, the years in which they achieved their victories and the opponents they defeated in the finals.
Some stats about the champions
In the 50 men's singles finals that have been played at the Japan Open between 1973 and 2025, a total of 43 players have won the title at least once. Among these champions, 4 won 2 or more times. On the other hand, 39 tennis players managed to win the Japan Open once in their careers and didn't repeat this achievement.
| Total Champions | Only 1 Title | 2 or More Titles | 5 or More Titles | 10 or More Titles |
| 43 | 39 players | 4 players | 0 players | 0 players |
The players with the most titles
The player who has won the most titles in the Japan Open is Stefan Edberg, who tops the list of champions with a total of 4 titles obtained between 1987 and 1991. He is followed by Pete Sampras winner of 3 titles in this tournament.
All the champions
Below you have the complete list of the 43 men's singles champions that this tournament has had.