Originally written on Tennis Panorama  |  Last updated 11/14/14

AUCKLAND, NEW ZEALAND - JANUARY 16: John Isner of USA plays a forehand during his final match against Arnaud Clement of France on day six of the Heineken Open at the ASB Tennis Centre on January 16, 2010 in Auckland, New Zealand. (Photo by Hannah Johnston/Getty Images)
Ryan Harrison (Janaury 9, 2013) Top-seeded John Isner, who has been battling a knee problem since the beginning of the season lost 6-4, 6-4 to fellow American Ryan Harrison in the second round of the Sydney International on Wednesday. Injuries have hit the tournament hard. Sydney has suffered withdrawals of the original top seeds Jo-Wilfried Tsonga and Richard Gasquet pulled out before the tournament.  More injuries took out Giles Simon, suffering a neck injury and Radek Stepanek a back injury. Isner withdrew from the Hopman Cup mixed-team competition in Perth last week with a right knee injury but still played Sydney. On the ladies side, Agnieszka Radwanska of Poland moved into the semifinals with a 6-4, 7-5 win over Italy’s Roberta Vinci and Dominika Cibulkova of Slovakia beat third-seeded Sara Errani of Italy 6-2, 6-1. Radwanska has a seven-match winning streak in 2013. “So far I feel good and I’m very happy that I can play good matches, already seven in a row,” she said. “I think this year is the first time that I played two tournaments before (the Australian Open). I never did that before. So far it’s good and I’m going to keep going.” Australian  Bernard Tomic is into the quarterfinals with a 7-6 (4), 6-2 upset over German No.28 Florian Mayer..   “I’m serving really well and my groundstrokes are really good, too. I’m moving really well. There is nothing much more I can ask myself at this stage,” said Tomic.   “I think whereas before I got carried away; I started over-thinking. Now it’s just who I play on that day. I don’t look too much ahead now and just focus on who I have to play and play as best as I can. That’s what I’m doing.”     Fourth seed Li Na overcame in a hard-hitting quarterfinal against American qualifier Madison Keys  4-6, 7-6 (2), 6-2 to open the night session on Ken Rosewall Arena. Second seed Angelique Kerber stopped Svetlana Kuznetsova 6-3, 7-5.   RESULTS – WEDNESDAY, 9 JANUARY, 2013 Singles – Second Round [Q] R Harrison (USA) d [1] J Isner (USA) 64 64 [3] A Seppi (ITA) d [WC] J Millman (AUS) 62 36 63 D Istomin (UZB) d [4] F Verdasco (ESP) 63 63 B Tomic (AUS) d [5] F Mayer (GER) 76(4) 62 J Benneteau (FRA) d [6] R Stepanek (CZE) 0-0 40/15 ret. (back) [8] M Granollers (ESP) d F Fognini (ITA) 62 76(4) K Anderson (RSA) d F Lopez (ESP) 63 64 J Nieminen (FIN) d *[LL] I Klec (SVK) 63 61 *[LL] I Klec (SVK) replaced [2] G Simon (FRA) – neck Doubles – Quarter-finals [1] B Bryan (USA) / M Bryan (USA) d J Benneteau (FRA) / M Llodra (FRA) 63 62 D Marrero (ESP) / F Verdasco (ESP) d [2] L Paes (IND) / R Stepanek (CZE) W/O (Stepanek – back) [3] M Granollers (ESP) / M Lopez (ESP) d J Chardy (FRA) / L Kubot (POL) 36 64 13-11 Doubles – First Round M Bhupathi (IND) / D Nestor (CAN) d [WC] M Ebden (AUS) / M Matosevic (AUS) 36 76(2) 10-8 SCHEDULE – THURSDAY, 10 JANUARY, 2013 KEN ROSEWALL ARENA start 11:00 am M Bhupathi (IND) / D Nestor (CAN) vs [4] M Mirnyi (BLR) / H Tecau (ROU) – ATP [Q] R Harrison (USA) vs J Benneteau (FRA) – ATP Not Before 2:30 PM [1] A Radwanska (POL) vs [4] N Li (CHN) or [Q] M Keys (USA) – WTA D Cibulkova (SVK) vs [Q] S Kuznetsova (RUS) or [2] A Kerber (GER) – WTA Not Before 7:30 PM B Tomic (AUS) vs J Nieminen (FIN) – ATP [8] M Granollers (ESP) vs [3] A Seppi (ITA) – ATP GRANDSTAND start 12:00 PM Not Before 12:00 PM D Istomin (UZB) vs K Anderson (RSA) – ATP [1] S Errani (ITA) / R Vinci (ITA) vs D Jurak (CRO) / K Marosi (HUN) – WTA N Petrova (RUS) / K Srebotnik (SLO) vs [2] A Hlavackova (CZE) / L Hradecka (CZE) – WTA  
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