|Born||12 August 1936|
|Died||9 November 2016(aged 80)|
|Grand Slam Singles results|
|Australian Open||3R (1965)|
|French Open||2R (1964)|
|US Open||2R (1963)|
|1966 Bangkok||Men's Singles|
|1962 Jakarta||Men's Singles|
He was a quarter-finalist at the Queen's Club Championships in 1964. En route he managed a surprise win over American Frank Froehling, who had been a finalist in the previous year's US Championships.
In 1965, Ishiguro became the first post-war Japanese player to win a match at the Australian Championships, defeating Colin Stubs in the first round. He then beat Jean-Noel Grinda to progress to the third round, but his run would end there, losing to second seed Fred Stolle.
In 1972 he founded the Japan Professional Tennis Association and served as its first board chairman.
His son is the actor Ken Ishiguro.
- ATP Tour Profile
- ITF Pro Circuit Profile
- Tennis Archive Profile
- St Petersburg Times, "Teen-Age Whiz Richey Charges On At London", 18 June 1964
- Sarasota Herald-Tribune, "Japanese Davis Cup Ace Ishiguro Retires", 12 January 1967
- Davis Cup Profile
- "Tennis pioneer Ishiguro dies at 80". Japan Times. 10 November 2016.