Korea Open: McDonald makes last eight, will challenge lucky loser Kovacevic next

American Mackenzie McDonald defeated Japanese lucky loser Shintaro Mochizuki 6-3, 6-4 to advance to the quarter-finals of the Korea Open at the Seoul Olympic Park on Thursday.

McDonald, ranked No 82, will face American lucky loser Aleksandar Kovacevic next. In the previous round of the Seoul, the American won against Spaniard Pedro Martinez (7-5, 6-4).

Seoul ATP 250, other second-round matches (Seoul Olympic Park, hard, USD 1.237.570, most recent results first):

• Casper Ruud vs. Nicolas Jarry
• Taro Daniel vs. Yoshihito Nishioka
• Aleksandar Kovacevic beat Chun-Hsin Tseng: 7-6 (5), 6-7 (4), 6-2
• Jenson Brooksby (8) beat SoonWoo Kwon: 6-3, 6-4
• Cameron Norrie (2) beat Kaichi Uchida (WC): 6-2, 6-2
• Radu Albot beat Steve Johnson: 7-6 (3), 7-6 (3)
• Denis Shapovalov (4) beat Jaume Munar: 7-5, 6-4