Peter Doohan beat Boris Becker 7-6(4), 4-6, 6-2, 6-4 in the Wimbledon second round, 1987 on grass
Doohan would go onto lose in the fourth round to Slobodan Zivojinovic. Becker was the double defending champion and would go onto reach the final in the next 4 years (winning once in 1989). The two...