The clay-court season continues this week in Portugal as the Millennium Estoril Open makes an important return to its ATP 250 status. After being held as an ATP Challenger 175 event in 2025 (won by Alex Michelsen), the tournament is back at the ATP 250 level for the 2026 calendar, and it’s a popular event on the European summer clay swing.
Located in the very nice Cascais area on Portugal’s Riviera, the tournament usually give fans great clay court tennis. Let’s look closer at some details and the draw for the 2026 edition of the ATP Estoril Open.
Tournament Schedule
- Dates: July 20-26, 2026
- Location: Clube de Ténis do Estoril, Cascais, Portugal
- Surface: Outdoor clay
- Tournament Level: ATP 250
- Draw Size: 28 players (singles)
- Qualifying: July 18-19, 2026
- Main Draw: Monday, July 20 – Sunday, July 26, 2026
- Draw Made: Saturday, July 18 at 1 p.m. CEST
- Finals: Sunday, July 26
Players to watch
The main draw was confirmed Saturday, July 18, and features a competitive field even though we’ve seen a few withdrawals, not at least top seed and 2023 champion Casper Ruud as well as 2024 champion Hubert Hurkacz.
Andrey Rublev and Luciano Darderi will be the top seeds:
Andrey Rublev (Russia)
Luciano Darderi (Italy)
Alejandro Tabilo (Chile)
Alexander Blockx (Belgium)
Nuno Borges (Portugal)
Botic van de Zandschulp (Netherlands)
Camilo Ugo Carabelli (Argentina)
Pablo Carreño Busta (Spain)
Local representation comes through Nuno Borges and wildcard Portuguese player Jaime Faria, while three-time Grand Slam champion Stan Wawrinka received a wildcard in what could be his final clay-court appearance.
Also keep a look out for clay specialist Alejandro Tabilo.
The 28-player draw features a wide-open field, as defending champion Alex Michelsen has chosen not to return for this year’s edition.
Prize Money at Estoril Open 2026
The tournament offers a total purse of €612,620. Here’s the breakdown:
SINGLES:
- Champion: €93,175 (250 points)
- Runner-up: €54,360 (165 points)
- Semifinalists: €31,955 (100 points)
- Quarterfinals: €18,515 (50 points)
- Round of 16: €10,750 (25 points)
- Round of 28: €6,570 (0 points)
DOUBLES (€ per team):
- Winner: €32,410 (250 points)
- Runner-up: €17,410 (150 points)
- Semi-finalist: €10,190 (90 points)
- Quarter-finalist: €5,650 (45 points)
- Round of 16: €3,330 (0 points)
The prize money shows a big increase from 2025 when the tournament operated as an ATP Challenger with a €227,270 total purse.
OUR DRAW IS OUT! pic.twitter.com/sqGTxcA4OY
— Millennium #EstorilOpen (@EstorilOpen) July 18, 2026
Millennium Estoril Open 2026 runs July 20-26 at the Clube de Ténis do Estoril in Cascais, Portugal. Main draw begins Monday, July 20. For tickets and information, visit millenniumestorilopen.com.
