WTA
Marta Kostyuk built the longest WTA winning streak of 2026
17 consecutive wins from April 10, 2026 through May 25, 2026.
17consecutive wins
Research that becomes history
Discovery
Center
Rare intersections, unlikely records and bridges across generations. Every result is recalculated from the current database and leads to its own evidence.
New · the database watches itself
Automatic Radar
Records, streaks, milestones and feats detected after every update — with preserved history and open evidence.
ATP
Jannik Sinner built the longest ATP winning streak of 2026
30 consecutive wins from March 4, 2026 through May 25, 2026.
30consecutive wins
WTA
Serena Williams has faced the most Grand Slam champions among 2026 active players
The career includes matches against 39 different Grand Slam singles champions — the widest generational bridge among players active this season.
39Slam champions faced
ATP
Gael Monfils has faced the most Grand Slam champions among 2026 active players
The career includes matches against 18 different Grand Slam singles champions — the widest generational bridge among players active this season.
18Slam champions faced
Editorial investigations
Curated discoveries
Across seven eras of tennis
The only recorded player to have faced Agassi, Federer, Nadal, Djokovic, Murray, Alcaraz and Sinner.
Six giants, two conquerors
2 recorded players have defeated Agassi, Sampras, Federer, Nadal, Djokovic and Murray.
The players who defeated the entire Big 6
4 recorded players have defeated Federer, Nadal, Djokovic, Murray, Alcaraz and Sinner.
Who defeated the entire Big Four
23 recorded players have defeated Federer, Nadal, Djokovic and Murray.
Who defeated the entire Big 3
30 recorded players have defeated Federer, Nadal and Djokovic.
How it works
Two kinds of intelligence.
The same open evidence.
Curated discoveries begin with an editorial question; the Radar begins with statistical rules. In both cases, players and numbers are recalculated while preserving the trail needed to verify the conclusion.