Lleyton Hewitt's confidence is growing as he prepares to go into next week's French Open as the number one seed following his singles victory at the World Team Cup.

He claimed a comfortable 6-3, 6-3 win over James Blake and Australia sealed victory over the United States when Wayne Arthurs followed up by beating Todd Martin 7-6 (7/4), 7-5.

Hewitt was never in trouble against Blake, breaking serve in the first game and sweeping the last four games of the first set. Although Blake broke to lead 3-2 in the second, Hewitt responded by again winning four straight games to claim the match.

"It was very heavy out there again today, so to go just over an hour and be done is pretty nice," said Hewitt. "I felt like I played pretty well. I stepped it up again today.

"I felt I was pretty aggressive right from the start and I felt like I was moving well, and getting a lot of balls back and making him play that extra shot a lot of the time."

Hewitt has never gone beyond the quarter-finals at Roland Garros, and he is approaching the challenge of next week with caution.

"I've won at least a couple of matches here already and my confidence is pretty good, but a lot is going to depend on the day and who I'm playing," he warned.

"I can go out there and get through matches comfortably or I could be into a grind. I'm not going to be reading a hell of a lot into my results here this week, but on the other hand it's good to have some good preparation and match practice going in."

Arthurs was forced to be patient as he failed to convert nine break points against Martin. But a simple volley when the American slipped gave him a 10th opportunity at 6-5, and he closed out the match when Martin put a forehand into the net.

In the doubles, Blake teamed with Graydon Oliver, but the Australian pairing of Arthurs and Todd Reid claimed a 6-4, 6-2 win.

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