Qualifier Aslan Karatsev, ranked 114th in the world, became the first man in the professional era to reach the semifinals in his Grand Slam debut when he beat 18th-seeded Grigor Dimitrov 2-6, 6-4, 6-1, 6-2 on Tuesday at Melbourne Park.
Qualifier Aslan Karatsev, ranked 114th in the world, became the first man in the professional era to reach the semifinals in his Grand Slam debut when he beat 18th-seeded Grigor Dimitrov 2-6, 6-4, 6-1, 6-2 on Tuesday at Melbourne Park.