Lukáš Krajíček (born 1983, Prostějov), a Czech professional ice hockey defenceman
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Richard Peter Stanislav Krajicek (born 1971, Rotterdam), a Dutch tennis player, son of Czech immigrants
Krajicek partnered with Tennys Sandgren, but lost in the final to the British pairing of Edward Corrie and Daniel Smethurst 7–6(7–5), 0–6, 10–7.
Boetch reached the fourth round once in each of the four grand slams between 1991 and 1996, notably beating Richard Krajicek in five sets in his 1992 Wimbledon run (Krajicek would go on to win the title four years later).