TENNISGOAT

🇯🇵 JPN · Right-handed

Osamu Ishiguro

Active 1969–1975 · best rank seen: 267

0–7
0
0
0
0
100
Hard
0–2 (0.0%)
Clay
0–2 (0.0%)
Grass
0–2 (0.0%)
Carpet
0–1 (0.0%)

Grand Slam record

'71
Australian Open 2R
Roland Garros
Wimbledon
US Open

Season by season

Peak window 1971–1973 24 48 1969: 10 pts 1971: 45 pts 1973: 20 pts 1974: 15 pts 1975: 10 pts 1969 1970 1971 1972 1973 1974 1975

Gold band: best three-year window (1971–1973).

Match results

Methodology

Titles include Slams, Masters, Tour Finals, 500s, 250s, legacy tour events and Olympic gold; Davis Cup is excluded, and walkovers are excluded from all win–loss records. GOAT points value every round reached, scaled per tier (Slam title 2000 anchor; ranking includes Slam champions only, but every player's points are shown here). Elo is a chess-style rating over the full match history (K = 250/(n+5)^0.4); the timeline shows pre-match ratings, sampled. The gold band on the season chart marks the best three-consecutive-year window.