The top seed at the ASB tennis Classic is ruing the absence of the Hawkeye video challenge system, despite easily making the second round in Auckland.
Agnieszka Radwanska says an umpiring error could have proved costly in her 6-2 6-2 win over former champion Greta Arn of Hungary yesterday.
The Polish world number four recovered from a bad line call to claim a crucial break point in the second set but says was angry it happened at such an important moment.
Agnieszka Radwanska plays Simona Halep in tonight's singles feature before Marina Erakovic's doubles match.
