Two-time champion Timo Boll breezed past South Korea's Joo Saehyuk in straight sets to reach the semifinals of the men's table tennis World Cup on Saturday.

Boll, who won the World Cup in 2002 and 2005, breezd past the world 11th-ranked Joo 11-4, 11-7, 11-8, 11-4.

The world No. 7 will fight for a final place against Vladimir Samsonov of Belarus, who beat Chuang Chi-Yuan of Chinese Taipei in a seven-set thriller earlier.

Samsonov, a three-time champion, won the match 4-3 (9-11, 11-6, 6-11, 11-7, 12-10, 10-12, 12-10) against Chuang, ranked 10th in the world and fourth placer in the Olympic Games.

The men's semifinal and final will be held on Sunday.