Among the top of those six wins include Thanasi Kokkinakis’ four-hour win over Roman Safiullin, and Aleksandar Vukic battling from two sets to one down in a win against Damir Džumhur.

Meanwhile, Arnaldi improves to 10-9 on the season and will face unseeded Damir Džumhur in the third round tomorrow, Sunday, April 27.

Aleksandar Vukic beat Damir Džumhur 6-7(3), 6-0, 3-6, 6-3, 6-4 and Thanasi Kokkinakis battled past Roman Safiullin 3-6, 6-3, 6-3, 7-6(5) However, it was not all good news for the Aussies.