2026 Stuttgart Open (BOSS Open)

The brief but intense grass-court season is universally recognized as one of the most exciting periods on the tennis calendar. In the critical weeks bridging the clay of the French Open and the historic lawns of Wimbledon, the tennis world shifts its focus entirely to fast-paced, low-bouncing slice shots and dominant serve-and-volley performances.

Serving as a premier launchpad for this elegant stretch of the calendar is the 2026 Stuttgart Open, commercially known as the BOSS OPEN. Celebrating its 48th edition in the Open Era, this ATP Tour 250 tournament guarantees a high-quality field of competitors year after year. Because grass-court preparation opportunities are strictly limited, the world’s elite must maximize their time on the turf to adjust their footwork and positioning for the Grand Slam highlight in London.

Whether you are a digital journalist formatting your coverage or an avid fan planning your viewing schedule, this comprehensive evergreen guide covers everything you need to know about the 2026 event.

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Tournament Dates and Venue

The 2026 edition of the BOSS OPEN is scheduled to take place from June 6 to June 14, 2026.

The tournament is hosted at the prestigious Tennis Club Weissenhof (TC Weissenhof) in Stuttgart, Germany. Renowned for its exclusive, intimate club atmosphere, the venue offers spectators a unique panoramic view stretching over five pristine grass pitches and the scenic Stuttgart Killesberg. The combination of world-class athleticism and a relaxed, open-sky summer ambiance transforms the Weissenhof facility into an international hotspot for sports enthusiasts and media figures alike.

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2026 Tournament Timeline and Daily Schedule

The schedule blends competitive professional matches with themed fan experiences, offering unique incentives such as free evening admission. Below is the complete daily timeline for the 2026 event (subject to adjustments by tournament officials):

Saturday, June 6, 2026 – Qualification Round 1

• Facility Opening: 10:00 AM
• Match Court 1 (Singles): 4 consecutive matches starting at 11:00 AM
• Match Court 2 (Singles): 4 consecutive matches starting at 11:00 AM
• Special Note: Free admission for all visitors.

Sunday, June 7, 2026 – KidsDay & Qualification Finals

• Facility Opening: 10:00 AM
• Centre Court: Exhibition training sessions featuring top-seeded players (Time TBC)
• Match Court 1 & 2 (Singles): 2 consecutive qualification matches on each court starting at 11:00 AM
• Special Note: Dedicated KidsDay activities; free entry to the grounds starting from 7:00 PM.

Monday, June 8, 2026 – KidsDay & Main Draw Opening

• Facility Opening: 10:00 AM
• Centre Court (Singles): 1st and 2nd matches begin at 11:00 AM; 3rd match not before 3:00 PM; 4th match not before 5:00 PM.
• Match Court 1 (Doubles): 1st match at 1:00 PM, followed immediately by the 2nd match.
• Special Note: Free entry to the grounds starting from 7:00 PM.

Tuesday, June 9, 2026 – KidsDay & Main Draw Round 1

• Facility Opening: 10:00 AM
• Centre Court (Singles): 1st and 2nd matches from 11:00 AM; 3rd match not before 3:00 PM; 4th match not before 5:00 PM.
• Match Court 1 (Singles): 4 consecutive matches starting at 11:00 AM.
• Match Court 2: 1st match (Doubles) at 11:00 AM, followed by 1 Singles match and 2 additional Doubles matches.
• Special Note: Final day of youth-centric programming; free entry to the grounds starting from 7:00 PM.

Wednesday, June 10, 2026 – Sustainability Day & Round of 16

• Facility Opening: 10:00 AM
• Centre Court (Singles): Matches begin at 11:00 AM, with late-afternoon sessions scheduled not before 3:00 PM and 5:00 PM.
• Match Court 1 (Doubles): 3 consecutive matches starting at 11:00 AM.
• Social Event: AfterWork @ BOSS Experience runs from 5:00 PM to 9:00 PM.
• Special Note: Focus on social responsibility and inclusion initiatives; free entry from 7:00 PM.

Thursday, June 11, 2026 – BOSS OPEN Fest & Round of 16

• Facility Opening: 10:00 AM
• Centre Court (Singles): Standard four-match structure starting at 11:00 AM (late slots not before 3:00 PM / 5:00 PM).
• Match Court 1 (Doubles): 2 consecutive matches starting at 1:00 PM.
• Social Event: The BOSS OPEN Festival featuring a live performance by the band “LaDiri” at the BOSS OPEN Meadow from 7:00 PM to 10:00 PM.
• Special Note: Free entry to the grounds starting from 7:00 PM.

Friday, June 12, 2026 – Ischgl Night & Quarterfinals

• Facility Opening: 10:00 AM
• Centre Court (Singles): Four high-stakes quarterfinal matches starting at 11:00 AM (afternoon block not before 3:00 PM and 5:00 PM).
• Match Court 1 (Doubles): 2 consecutive matches starting at 2:00 PM.
• Social Event: Ischgl Night hosted at the BOSS OPEN Meadow from 6:00 PM to 10:00 PM.
• Special Note: Free entry to the grounds starting from 7:00 PM.

Saturday, June 13, 2026 – Semifinals

• Facility Opening: 10:00 AM
• Centre Court: 1st Singles Semifinal at 12:00 PM, followed immediately by the 2nd Singles Semifinal. Doubles action scheduled not before 3:30 PM.
• Social Event: AfterHour @ BOSS Experience from 5:00 PM to 9:00 PM.
• Special Note: Free entry to the grounds starting from 7:00 PM.

Sunday, June 14, 2026 – Championship Sunday

• Facility Opening: 10:00 AM
• Centre Court (Doubles Final): Commences at 11:30 AM.
• Centre Court (Singles Final): Scheduled not before 2:00 PM to crown the 2026 champion.

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Prize Money and Financial Commitment

The total prize money pool and financial commitment for the 2026 Stuttgart Open is established at €757,320.

Please Note: The exact round-by-round breakdown of player compensation, detailing the financial payouts and corresponding ATP ranking points from the opening round through to the winner’s check, will be fully available after the official ATP Tour announcement closer to the main draw draw ceremony.

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Stars to Watch: The 2026 Player Field

The grass surface requires an aggressive technical approach—blending baseline power, lightning-fast reflexes at the net, and reliable, heavy serves. The confirmed player lineup for 2026 presents a fascinating mix of elite Top-10 title contenders, former Stuttgart champions, grass-court specialists, and rising Next-Gen talents.

Player	Nationality	Age	Notable Stuttgart & Surface Context
Alexander Zverev	Germany	29	World No. 3 and local favorite; looking for redemption after a runner-up finish in the 2025 final.
Ben Shelton	USA	23	World No. 6; his thunderous, un-returnable left-handed serve makes him a natural threat on grass.
Taylor Fritz	USA	27	World No. 8 and the defending 2025 BOSS OPEN champion; won last year’s title without dropping a single set.
Alexander Bublik	Kazakhstan	10	World No. 10; an unpredictable shot-maker whose slice and trick shots excel on fast grass.
Matteo Berrettini	Italy	29	A two-time Stuttgart champion (and 2024 finalist) whose massive serve-and-forehand combo dominates lawns.
Frances Tiafoe	USA	27	Former Stuttgart tournament champion known for his electric style and deep bond with the Weissenhof crowd.
Jan-Lennard Struff	Germany	35	The veteran local hero who narrowly missed out on the title in a dramatic 2023 final against Tiafoe.
Nick Kyrgios	Australia	30	Entering via a highly anticipated wildcard; the former Wimbledon finalist remains a premier grass attraction.
Justin Engel	Germany	18	Entering via the Next Gen Accelerator program; a home-crowd prospect making his mark on the big stage.

The American Contingent

Beyond Fritz, Shelton, and Tiafoe, the United States brings deep roster strength to Stuttgart. Tommy Paul (28) arrives with exceptional grass-court credentials, including a recent title run at London’s Queen’s Club and a deep run at Wimbledon. He is accompanied by sharp-shooting compatriots Brandon Nakashima (24), Alex Michelsen (21), and the highly promising young left-hander Learner Tien (20).

International Contenders

The draw is rounded out by a dangerous tier of international threats capable of pulling off major upsets early in the week:

• Jiří Lehečka (24) & Tomáš Macháč (25) — Leading a potent Czech surge of flat, powerful ball-strikers.
• Jakub Menšík (20) — The young Czech phenom whose height and serving power map perfectly to grass.
• Flavio Cobolli (23) — The rising Italian star bringing tremendous court coverage to the faster surface.
• Alejandro Davidovich Fokina (26) — The creative Spanish star capable of brilliant all-court play.
• Tomás Martín Etcheverry (26) — The heavy-hitting Argentine looking to translate his baseline weight to grass.
• Corentin Moutet (27) — A French variety specialist whose unconventional slices can disrupt any rhythm.
• Valentin Vacherot (27) — The representative from Monaco looking to leave a mark on the professional grass circuit.

With a field boasting multiple former champions, local tennis icons, and immediate Top-10 firepower, the 2026 BOSS OPEN promises an exceptional week of high-octane grass-court tennis in Stuttgart.