‘Unbelievable’: Tennis world stunned by qualifier’s 53-year first – Yahoo Sport Australia

Aslan Karatsev of Russia has advanced to the Australian Open semi finals after defeating Grigor Dimitrov. (Photo by Daniel Pockett/Getty Images)
Australian Open qualifier Aslan Karatsev has continued his stunning run through the tournament, advancing to the semi-finals after defeating Grigor Dimitrov in four sets.
The Russian world No.114 pulled off his latest upset after Dimitrov, who was the 18th seed, was hampered by a back problem after winning the first set 6-2.
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