The Most Underrated Tennis Players Right Now, by the Numbers

Holger Rune is ranked 195th in the world. On clay, our Elo has him 11th. That 184-place gap between where the official table files him and where his results place him is the widest in the men's game this month, and it is not close.

"Underrated" usually bends to whoever is making the argument. We fix it to one number and let the data decide. Take a player's spot on our surface Elo leaderboard, subtract it from their official ATP or WTA ranking, and the difference is the gap. A large positive gap means the ranking has parked a player well below their level, because Elo rewards who you beat while the ranking rewards which rounds you reached over the past year. When the two numbers split, the ranking is the one playing catch-up.

The most underrated men right now

These are the six largest rank-minus-Elo gaps on the ATP side this month. The Elo figure is each player's rating on the surface where his gap is widest.

Rune sits a long way clear of the field. The ranking files him 195th while his clay Elo of 2190 is 11th on that surface, so the points table and the results disagree by 184 places on one player. Draper is the next name down, 158th on the list but 12th on hard at 2223, a 146-place gap. Dimitrov makes a familiar third, 127th in the world and 11th on grass at 1738 for a gap of 116. Rune's case is the one you can read off the clay board directly.

A man ranked 195th does not usually belong on the same clay leaderboard as Carlos Alcaraz at 2486 and Jannik Sinner at 2433. Rune does, at 2190, because clay Elo counts the matches he has won and does not care how few points sit next to his name.

The most underrated women right now

The WTA gaps run wider still, and the top of the list is a blowout.

Marketa Vondrousova is the outlier of the whole exercise. She is ranked 668th, yet her grass Elo of 1709 puts her 13th on that surface, a gap of 655 places. That is not a quirk of rounding, it is a former major champion whose points total emptied out while her results still read like a grass top fifteen. Alisa Oktiabreva shows the same pattern a tier down, ranked 436th and 17th on clay at 2018, a 419-place gap. Emma Raducanu closes out the board at a more human scale, 100th in the world and 20th on grass at 1674, an 80-place gap.

Why the gaps open up

A gap this size is a backlog, not a mystery. Ranking points fall off after a year, so a player who missed months, played a thin schedule, or is only now stacking wins carries a light points total no matter how well she is striking the ball. Elo keeps no calendar. It holds a player's level until she actually loses, then moves. That is why the widest gaps bunch among players climbing back rather than players sliding out.

The same effect reads the other way on the full ATP rankings page, where live Elo sits beside official points, and it feeds the calls on today's predictions. For the method under all of it, see how Elo differs from the ATP ranking.

A wide gap is not proof a player is good. It is proof the ranking is behind. Some months it closes because the wins keep coming, and some months it closes because they do not.

Where this misleads

The gap is a place to start looking, not a verdict. A short run of wins against soft opposition can prop up an Elo rating that real competition will knock straight back down. Grass ratings sit on a lower scale than hard or clay, so a grass gap and a clay gap are not reading the same ruler. And none of it speaks to form this week, a rough stylistic matchup, or legs with too many miles on them. Treat a name near the top of these boards as a reason to open a player profile, not as the last word on the next match.

Both boards move as results land. The ATP and WTA ranking pages show live Elo beside official points for every ranked player.