23 January 2007 (Tuesday)
- Tennis – 2007 Australian Open:
- Men's singles – quarter finals:
- Roger Federer def Tommy Robredo 6–3 7–6(2) 7–5
- Andy Roddick def Mardy Fish 6–2 6–2 6–2
- Women's singles – quarter finals:
- Nicole Vaidišová def Lucie Šafářová 6–1 6–4
- Serena Williams def Shahar Pe'er 3–6 6–2 8–6
- Men's singles – quarter finals:
- Cricket:
- 2006–07 Commonwealth Bank Series in Adelaide:
- New Zealand 210 (50 overs; Jacob Oram 86), England 120 (37.5 overs). New Zealand win by 90 runs.
- ICC Tri-series in Mombasa, Kenya:
- Canada 208 (44.3 overs), Scotland 209/8 (47.2 overs). Scotland win by 2 wickets (with 16 balls remaining).
- 2006–07 Commonwealth Bank Series in Adelaide:
- Football (soccer):
- 2007 ASEAN Football Championship, semifinal, first leg:
- Malaysia 1 Singapore 1.
- Caribbean Nations Cup 2007 in Trinidad and Tobago:
- 3rd place play off: Cuba 2 Guadeloupe 1.
- Final: Haiti 2 Trinidad and Tobago 1.
- 2007 Gulf Cup of Nations in United Arab Emirates:
- Oman 2 Yemen 1.
- United Arab Emirates 3 Kuwait 2. Oman and UAE qualify to semifinals.
- 2007 ASEAN Football Championship, semifinal, first leg:
- Men's US college basketball:
- Auburn 81, (12) Alabama 57
- St. John's 71, (22) Notre Dame 68
- Illinois 51, (23) Indiana 43
Read more about this topic: January 2007 In Sports