The Polish Table Tennis Association (PZTS) noted on its website on Sunday that Kowalski had a successful career as a player in the 1960s.
He then worked as coach of the national team from 1982 to 1984, leading it to international prominence.
Kowalski coached Polish table tennis heavyweights including Andrzej Grubba, who won two silver medals and a bronze at the 1984 European championships in Moscow.
(gs/pk)
Source: IAR, PAP, pzts.pl