Complex sentence: This record was equalled by Roger Federer in 2006, but Lendl remains the only male tennis player with over 90% match wins in five different years (1982 was the first, 1989 the last).
Split into simpler sentences: This record was equalled by Roger Federer in 2006. Lendl, however, remains the only male tennis player with at least 90% match wins in five different years (1982 was the first, 1989 the last).