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Match details with competition, start time and exchange-style back and lay prices where a market is open. Figures move constantly and are published for information only, never as advice or a prediction.

Tennis · ATP · Semi-finalsATP Masters 1000clayProjected pairing

Carlos Alcaraz vs Jannik SinnerMadrid Open ATP Semi-finals: prediction, predicted score & key players

Carlos Alcaraz

Win probability

63%

vs

Jannik Sinner

Win probability

37%

Alcaraz 63%37% Sinner
Predicted score
6–4, 7–5

2–0

Start
Order of play TBC
Venue
Madrid
Format
Best of 3

clay

Apr 202628TueSemi-finals

Madrid Open ATP Semi-finals on 28 Apr 2026: our projection has Carlos Alcaraz vs Jannik Sinner, with Carlos Alcaraz the 63% favourite and a predicted score of 6–4, 7–5.

At a glance

AI match overview

AI overview

Carlos Alcaraz is the projected favourite at 63% over Jannik Sinner (37%) in the Madrid Open ATP Semi-finals. It is a clear lean, not a lock.

Lean: Carlos AlcarazCourt: clayFormat: best of 3Tie-break: 24%

On Tuesday 28 April 2026 the Madrid Open ATP (ATP Masters 1000) plays its Semi-finals in Madrid. A Masters 1000 on clay at altitude, which makes the ball fly faster than on other clay courts.

Our projection has Carlos Alcaraz vs Jannik Sinner as the headline match of the Semi-finals. It comes from a projected bracket built on our reference player pool, not from the official draw, so the confirmed pairing can differ. Four are left, and the two winners meet in the final.

Carlos Alcaraz is an all-court shot-maker who mixes raw power with drop shots and net play. Jannik Sinner is a flat, powerful baseliner who takes the ball early and returns with pace. On slow, high-bouncing clay, our model leans Carlos Alcaraz, mainly through surface fit.

Match ticket

Match details

Date
Tuesday 28 April 2026
Tournament
Madrid Open ATP
Round
Semi-finals
Category
ATP Masters 1000
Venue
Madrid, Spain
Main court
Manolo Santana Stadium, Caja Mágica
Surface
clay (slow pace)
Format
Singles, best of three sets
Ranking points
1,000 ranking points
Tour
ATP tour
Projected pairing
Carlos Alcaraz vs Jannik Sinner (projection, not the official draw)

Pairings are projected. The official draw and any withdrawals decide the real match.

Projected line-up

Madrid Open ATP Semi-finals predictions

Projected semi-finals pairings from our bracket model, with the headline match first. Percentages are for the first-named player.

  1. Carlos AlcarazESPITAJannik Sinner
    63%37%
  2. Novak DjokovicSRBDENHolger Rune
    78%22%

Projected title favourite for this event: Carlos Alcaraz.

These pairings are projections from our reference player pool, not the official draw.

Win probability

Who will win today's match?

We compare Carlos Alcaraz and Jannik Sinner on four factors: fit for clay, serve, return and recent form. The combined lean is Carlos Alcaraz at 63%.

Model lean

Carlos Alcaraz

63% to win · 26-point gap

Alcaraz 63%37% Sinner

Carlos Alcaraz is the clear pick because of a clear edge in surface fit. Jannik Sinner keeps a 37% chance, mostly through serve and match-day variance.

Projected pairing: this comes from our reference player pool, so treat it as the shape of the round, not a confirmed order of play. The official draw and any withdrawals decide the real match.

Slow, high-bouncing clay conditions favour patient baseliners and return games, which widens the gap between the two players' styles.

Carlos AlcarazJannik Sinner
  • 63Surface fitRated on clay37
  • 43ServeFirst-serve weapon and hold games57
  • 45ReturnBreak-point pressure55
  • 48Recent formLevel over recent events52

Impact names

Key players to watch

Four names our model expects to matter in this round on clay: the two headline players and the next-best names from the projected bracket.

  • Spain

    ATP

    Carlos Alcaraz

    All-court · Clay & grass

    Impact83%

  • Italy

    ATP

    Jannik Sinner

    Baseline power · Elite return

    Impact80%

  • Serbia

    ATP

    Novak Djokovic

    Best return · Big-match pedigree

    Impact76%

  • Italy

    ATP

    Lorenzo Musetti

    One-handed backhand · Clay

    Impact73%

Names, countries and playing styles are real. Impact scores are a model reference. They are not a confirmed draw or line-up, so check the official order of play close to the match.

Scoreboard model

Predicted score & set markets

Carlos Alcaraz is projected to beat Jannik Sinner 2–0, 6–4, 7–5. The next table shows how the set and games markets line up around that call.

Predicted score

6–4, 7–5

Carlos Alcaraz to beat Jannik Sinner in 2–0

Every figure is an indicative model, not a live price. Sets and games are derived from a best of three sets format on clay.

Set score probability

  • Alcaraz 2–034.5%
  • Alcaraz 2–128.5%
  • Sinner 2–120%
  • Sinner 2–017%

  • Total games

    20–26

    Line 23.5. Average 23.2 games.

  • Tie-break

    24%

    About 10% per set.

  • Total aces

    10–15

    Alcaraz ~6, Sinner ~7.

  • Match length

    1h 55m–2h 26m

    About 2.5 sets expected.

Model lean for each tennis market
MarketModel leanWhy
Match winnerCarlos Alcaraz 63%clear lean over Jannik Sinner (37%).
Set bettingCarlos Alcaraz 2–02–0 for Alcaraz carries 35%. A deciding set is 49%.
Total gamesUnder 23.5Model average is 23.2 games, in a range of 20–26.
Games handicapAlcaraz −2.5Alcaraz is projected to win by about 3 more games than Sinner.
Tie-break in matchNo 76%About 10% per set on clay.
First set winnerAlcaraz 58%Sinner takes at least one set 65% of the time.
Total aces10–15Alcaraz about 6, Sinner about 7.
Match length1h 55m–2h 26mBased on 2.5 sets at clay pace.

Popular tennis betting markets

The markets followers look at most for this match, with what our model says for each. These are reference figures, not live prices.

  • Match winner

    Back the player or nation you expect to win the match, whatever the score.

    Model lean: Carlos Alcaraz at 63%.

    How this market works

  • Set betting

    Pick the exact set score of a best of three sets match, such as 2–0.

    Most likely: Alcaraz 2–0, then a deciding set at 49%.

    How this market works

  • Total games

    Bet over or under a games line. Close, serve-led matches push the total up.

    Under 23.5 at a 23.2-game average.

    How this market works

  • Games handicap

    Give or take games to level up a mismatch, so the favourite has to win by a margin.

    Alcaraz −2.5 sits near the model's margin.

    How this market works

  • Tie-break market

    Predict whether any set reaches 6–6 and needs a tie-break.

    24% for at least one tie-break in the match.

    How this market works

  • Live tennis markets

    Prices move point by point, so first-set and break-of-serve lines can swing quickly.

    Sinner steals a set 65% of the time, which is why live lines matter.

    How this market works

The case for this match

Why bet this match?

  • A clear storyline

    Carlos Alcaraz carry a clear lean, so the interest is in the score and games markets, where the favourite still has to convert.

  • The court shapes the markets

    Slow, high-bouncing clay. It moves the total games line and the tie-break chance (24%), so surface reading is part of the edge.

  • Depth of markets

    Winner, set score, total games, handicap, tie-break, aces and first-set lines all exist for a ATP Masters 1000 semi-finals, so you can pick the one that matches what you actually think.

  • Live pricing

    A best of three sets match has many turning points. Break points and set momentum move live prices, and our model shows a 65% chance the underdog takes a set.

For adults 18 and over. Betting can lead to loss, so only use money you can afford to lose.

Fixture guide

About Madrid Open ATP Semi-finals

The Madrid Open ATP is a ATP Masters 1000 event, worth 1,000 ranking points to the champion. A Masters 1000 on clay at altitude, which makes the ball fly faster than on other clay courts.

The Semi-finals is played on clay at Manolo Santana Stadium, Caja Mágica. Players arrive after the Quarter-finals on 25 Apr 2026, and the Final follows on 3 May 2026.

Our schedule lists 3 rounds for this event: Quarter-finals on 25 Apr 2026, Semi-finals on 28 Apr 2026, Final on 3 May 2026. Order of play is published by the tournament the day before and can change with weather.

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Answers

Questions about Alcaraz vs Sinner

  1. The Semi-finals is listed for Tuesday 28 April 2026. Our schedule shows 3 rounds for this event: Quarter-finals on 25 Apr 2026, Semi-finals on 28 Apr 2026, Final on 3 May 2026.

  2. Our model leans Carlos Alcaraz at 63%, with Jannik Sinner at 37%. This is a projection built on a reference player pool, not the official draw, and it is not a guarantee of the result.

  3. Carlos Alcaraz is projected to win 2–0, 6–4, 7–5. Straight sets carry 52% and a deciding set 49%.

  4. The Semi-finals is held in Madrid, Spain, with the main court at Manolo Santana Stadium, Caja Mágica. The surface is clay, which plays slow, so rallies run longer.

  5. Singles matches are best of three sets. Four are left, and the two winners meet in the final.

  6. No. Pairings are set by the official draw, which is not part of our schedule data. We show a projected pairing from our reference player pool so you can see the shape of the round. Check the tournament's order of play for the confirmed match.

  7. Carlos Alcaraz (ESP), Jannik Sinner (ITA), Novak Djokovic (SRB), Lorenzo Musetti (ITA). These are reference names from our model and not confirmed line-ups.

  8. Common markets are match winner, set betting, total games, games handicap, tie-break, first-set winner and total aces. Prices move live, and our figures here are model references only.

  9. The champion earns 1,000 ranking points. The Semi-finals winner moves a step closer to that total.

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Pairings are a projection from our reference player pool and are not the official draw. Percentages, projected scores and impact figures are an indicative model for information only. They are not live prices, not betting advice and not a guarantee of any result. Dates and times can change, so confirm them with the tournament. For adults 18 and over. Play responsibly and set limits.

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