Thursday is quarterfinal day at the BNP Paribas Open, with six former Grand Slam champions taking the court. Here’s a look at the key numbers and statistics that define the final eight in Tennis Paradise.

1 Teenager – Victoria Mboko of Canada.

2 Players aged 23 or younger on the women’s side – Mboko and Talia Gibson. The last seven women’s singles champions in the desert have been 23 or younger.

3 – No woman has ever won three singles titles in the California desert. Iga Swiatek is three wins away from becoming the first.

4 Players with four or more major titles – Alcaraz (7), Sinner (4), Swiatek (4) and Sabalenka (4) are all part of a blockbuster quarterfinal lineup.

5 Former champions – Draper, Swiatek, Rybakina, Alcaraz, Norrie

7 Consecutive quarterfinals reached – No. 5 seed Jessica Pegula is the most consistent player on the WTA Tour of late; she hasn’t failed to reach a quarterfinal since Cincinnati 2025.

8 On the trot - Dubai champion Pegula now has won eight consecutive matches.

9 Consecutive wins - Draper extended his winning streak in the California desert with a dramatic win over Djokovic on Wednesday night.

14 Different countries represented – The United States and Great Britain are the only nations with two players – USA: Tien and Jessica Pegula; Great Britain: Cam Norrie and Jack Draper – in the quarterfinals.

16 Match wins in 2026 – two-time runner-up Daniil Medvedev leads the ATP Tour in wins so far this season.

20 – Age of Learner Tien, who is the youngest American man to reach the quarterfinals here since his coach Michael Chang in 1992.

33 Consecutive wins on outdoor hard courts – the current streak of Alcaraz, which is tied for the fourth-most in the Open Era.

24 Grand Slam titles among the sixteen quarterfinalists – Carlos Alcaraz (7), Iga Swiatek (6), Aryna Sabalenka (4), Jannik Sinner (4), Elena Rybakina (2), Daniil Medvedev (1).

89 Percent – Swiatek’s 25-3 lifetime record leaves her with an 89.29 winning percentage in the California desert, the highest of all 16 quarterfinalists.

100 Masters 1000 wins - Alexander Zverev hit the century mark at the Masters with his win over Frances Tiafoe on Tuesday.

110 – Gibson is the lowest-ranked singles player still alive in the draw. The 21-year-old qualifier, making her tournament debut, had won only two tour-level matches prior to this tournament.