Piet van Eijsden explained

Piet van Eijsden (9 May 1936 – 18 May 2021) was a Dutch tennis player.^[1]

He was the runner-up in men's singles at the 1958 Dutch Open. He competed at the French Open (1959, 1960) and Wimbledon (1959, 1960, 1961, 1962).After retiring from playing, van Eijsden was tournament director of the Dutch Open from 1978 to 2006.^[2]

Notes and References

1. Web site: Voormalig tennisser en toernooidirecteur Piet van Eijsden (85) overleden. NOS. 19 May 2021. Dutch.
2. Web site: Piet van Eijsden, long-time tournament director, dies aged 85 . Association of Tennis Professionals (ATP) . 7 June 2021.