Complex sentence: Ghaus Mohammad Khan (1915--1982) from Malihabad was the first Indian to reach the Quarter Finals in the Wimbledon in 1939 where he lost to American tennis player Bobby Riggs.
Split into simpler sentences: Ghaus Mohammad Khan (1915--1982) was an Indian tennis player from Malihabad. He was the first Indian to reach the quarterfinals at Wimbledon, achieved in 1939 where he lost to American champion Bobby Riggs.