Sporting Digest: Tennis

Britain's Sam Smith produced a stunning recovery to beat the top seed Sandra Kleinova 4-6 6-2 6-1 in the quarter-finals of the Texaco Women's Challenger in Edinburgh. The 23-year-old wild-card entry from Essex trailed her Czech opponent by a set and 2-0 before taking 12 of the next 13 games for victory.

ATP TOUR WORLD CHAMPIONSHIP (Frankfurt) Red group: T Enqvist (Swe) bt M Chang (US) 6-1 6-4; J Courier (US) bt T Muster (Aut) 6-4 4-6 6-4. White group: W Ferreira (SA) bt P Sampras (US) 7-6 4-6 6-3.

WTA TOUR CHAMPIONSHIPS (New York) First round: C Martinez (Sp) bt I Majoli (Croa) 1-6 7-5 6-0; G Sabatini (Arg) bt L Davenport (US) 6-4 6-3; N Zvereva (Bela) bt A Sanchez Vicario (Sp) 4-6 6-4 6-4.

TEXACO WOMEN'S CHALLENGER (Edinburgh) Singles, quarter-finals: S Smith (GB) bt S Kleinova (Cz Rep) 4-6 6-2 6-1; S Noorlander (Neth) bt P Hermida (Sp) 7-6 1-6 6-2; M Maruska (Aut) bt S Gerke (Ger) 6-4 6-1; J Lutrova (Rus) bt N Pratt (Aus) 4-6 6-2 6-2.

VOLVO WOMEN'S OPEN (Pattaya, Thai) Singles, second round: Wang Shi-ting (Tai) bt C Cristea (Rom) 6-3 6-4; A Olsza (Pol) bt S Meier (Ger) 6-3 4- 6 6-2; Yi Jingqian (China) bt O Lugina (Ukr) 7-6 6-7 6-2; Naoko Kijimuta (Japan) bt Park Sung-hee (S Kor) 6-3 3-6 6-2; B Paulus (Aut) bt Nana Miyagi (Japan) 6-4 4-6 6-3; Tang Min (HK) bt Chen Li (China) 7-6 7-5; R Grande (It) bt J Husarova (Slovak) 6-2 6-2; M Vento (Ven) bt N Feber (Bel) 6- 3 7-5. Third round: R Grande (It) bt M Vento (Ven) 7-5 4-6 6-2.