• Australian Open. Hard
  • 30 January
  • Novak Djokovic

    Jannik Sinner
    276
• WTA. Manila. Hard
  • 30 January
  • Tatiana Prozorova

    Donna Vekic
    196
  • Solana Sierra

    Maria Camila Osorio Serrano
    196
• Challenger. San Diego. Hard
  • 30 January
  • Sebastian Korda

    Liam Draxl
    137
• ITF. Naples. Clay
  • 30 January
  • Andrew Johnson

    William Grant
    135
  • Matthew Segura

    Duarte Vale
    135
  • Ronit Karki

    Ryan Colby
    135
  • Taha Baadi

    Tommaso Compagnucci
    135
• ITF. Vero Beach. Women. Clay
  • 30 January
  • Sachia Vickery

    Whitney Osuigwe
    135
• ITF. Naples. Doubles. Clay
  • 30 January
  • Falck/Flores

    Clark/Heck
    6