Holder Federer stunned by unheralded Ukrainian
2013 - Defending champion Roger Federer's remarkable run of reaching 36 consecutive grand slam quarter-finals or better was ended in a shock 6-7(5) 7-6(5) 7-5 7-6(5) second-round defeat by little-known Ukrainian Sergiy Stakhovsky on Wednesday.
Lightning strikes twice for Nadal with Darcis defeat
2013 - Lightning struck in successive years for Nadal who again came to Wimbledon having lifted the French Open crown only to be eliminated by Steve Darcis, a Belgian ranked 135th in the world, 7-6(4) 7-6(8) 6-4 in the first round on Monday.
2012 - Nadal exits to Czech gun-slinger Rosol
Twice champion Rafa Nadal arrived as French Open champion but fell to hard-hitting Lukas Rosol, a Czech ranked 100th in the world, in the second round.
Rosol won 6-7 6-4 6-4 2-6 6-4 in a three-hour battle that ended after dark under the Centre Court roof in front of 15,000 fans who were glued to their seats.
2003 - Lleyton Hewitt takes a giant beating by Ivo Karlovic.
Hewitt, the defending champion, won the first set 6-1 before unheralded Karlovic, ranked 202, wheeled out the big guns and battered the Australian into submission with a devastating display of serving. Karlovic won 1-6 7-6 6-3 6-4 and for only the second time in the history of the event, the top seeded male was toppled on the first day.
2002 - Swiss journeyman George Bastl beats Pete Sampras.
Sampras, with seven Wimbledon trophies in his possession, endured one of the worst defeats of his career, losing 6-3 6-2 4-6 3-6 6-4 in the second round to a player ranked 145th in the world and who was a lucky loser from qualifying.
American Sampras recovered to win the U.S. Open a few weeks later before retiring.
2002 - Andre Agassi humbled by Paradorn Srichaphan.
A 32-year-old Agassi, seeded three after a stunning career revival, joined old rival Sampras on the scrap heap after being dismantled by Thailand's Srichaphan 6-4 7-6 6-2.
The second round match was all over in one hour 47 minutes.
1987 - Australian Peter Doohan beats Boris Becker.
Becker, the top seed and twice defending champion, seemed invincible on the Wimbledon grass but ran into 70th-ranked Doohan in the second round.
Boom Boom, as German Becker was nicknamed, was bounced out 7-6 4-6 6-2 6-4 and Doohan earned the title of "Becker Wrecker".
1985 - Kevin Curren beats John McEnroe
Defending champion McEnroe had compiled an 82-3 record the previous year and was still the "Guvnor" at Wimbledon, reaching the previous five finals.
However, South African Curran proved no shrinking violet and won the last eight clash 6-2 6-2 6-4. McEnroe was never quite the same again, failing to win another grand slam. (Compiled by Toby Davis; editing by Ken Ferris)