Complex sentence: With his first direct acceptance into a Grand Slam main draw, he won his first three matches at the Australian Open, including a win over world No.8 Stan Wawrinka in the second round.
Split into simpler sentences: With his first direct acceptance into a Grand Slam main draw, he won his first three matches at the Australian Open. This included a win over world No.8 Stan Wawrinka in the second round.