Agence France-PresseFebruary 21, 2013 22:16
Top seed Marin Cilic saved three match points en route to a 7-6 (7/2), 3-6, 7-6 (9/7) victory over Igor Sijsling on Thursday to book a quarter-final berth in the US Indoor Tennis Championships.
Croatia's Cilic trailed 4-6 and then 6-7 in the third-set tiebreaker, but won the final three points to take the match from his Dutch foe.
Cilic next faces Japanese fifth seed Kei Nishikori, who beat qualifier Donald Young 6-3, 6-3.
World number 63 Denis Istomin reached his fourth ATP quarter-final of the season, beating Australian veteran Lleyton Hewitt 6-1, 6-2.