New Zealand Davis Cup tennis player Artem Sitak is through to the quarterfinals of the US$50,000 ATP Challenger event in Sydney.
Sitak won through the qualifying rounds before defeating Australian Luke Saville 3-6 6-3 6-2 in the first round then accounting for fellow Aussie Ben Mitchell 6-3 6-4 in the second round. He will now face another Australian, Matt Reid, in the quarters.
Reid beat Kiwi Michael Venus 7-6 6-3 in the second round. Venus had also won through qualifying and in his first round contest defeated Australian Jay Andrijic in three sets.
Rubin Statham was was knocked out in the first round of the main draw by top-200 ranked Peter Polansky of Canada.
Sitak and Statham are into the quarterfinals of the doubles after a 6-1 retirement win over Suk Young Jeong (Korea) and Kento Takeuchi (Japan).