ATP Tennis Preview: BOSS Open & Libema Open Betting Odds, Analysis & Information
We enter grass season on the tennis calendar, as the men’s tour heads to Germany and Netherlands to kick start the road to 2026 Wimbledon. The pair of 250 level events for the men come from Stuttgart and ‘s-Hertogenbosch, set to begin on Monday, June 8. Let’s go through both tournament’s betting odds, forecasts and draws to prepare for the first grass court events of the 2026 season.
Be sure to check out our daily match trends tennis page for updated odds, betting data and insights for 250 events or higher on the ATP and WTA Tour.
2026 ATP BOSS Open Preview, Odds & Information
Reigning BOSS Open champion Taylor Fritz just returned to the tour following a long hiatus, so his form is something to watch. Can he quickly get back on track to defend his Stuttgart trophy?
2026 ATP BOSS Open Information
- Start Date: Monday, Jun. 8, 2026
- Location: Stuttgart, Germany
- Venue: Tennis Club Weissenhof
- Surface: Grass
- Level Event: 250
- Defending Champion: Taylor Fritz
2026 ATP BOSS Open Forecast
2026 ATP BOSS Open Betting Odds
- Ben Shelton +400
- Taylor Fritz +450
- Jiri Lehecka +450
- Alexander Bublik +600
- Tommy Paul +750
- Frances Tiafoe +1400
- Alejandro Davidovich Fokina +1600
- Giovanni Mpetshi Perricard +1600
- Corentin Moutet +1800
- Quentin Halys +2200
- Nick Kyrgios +2800
- Martin Landaluce +2800
- Yannick Hanfmann +4000
- Aleksandar Kovacevic +4000
- James Duckworth +4000
- Rinky Hijikata +4000
- Daniel Altmaier +5000
- Mattia Bellucci +5000
- Marcos Giron +5000
- Fabian. Marozsan +5000
- Jan-Lennard Struff +5000
- Roberto Bautista Agut +6600
- Diego Dedura +25000
- Tom Gentzsch +25000
2026 ATP BOSS Open Bracket Analysis
Quarter 1
Ben Shelton sits at the very top of the Stuttgart food chain, the No. 1 seed and atop the brackets with a pretty winnable draw laid out to reach the semifinals. The experience of Roberto Bautista Agut is always something to watch, but Shelton’s form compared to his (and others in this section) is far superior, regardless of the surface. Fellow American Marcos Giron can also cause problems, but the only real threat for Shelton is Corentin Moutet – who gets a returning Nick Kyrgios in Round 1. There is no excuse Shelton shouldn’t win Quarter 1 here.
Quarter 2
Quarter 2 will be difficult for No. 4 seed Jiri Lehecka, with Frances Tiafoe paired in his quarter as the No. 6 seed. It should be these two vying for the quarter win and a spot in the semifinals, but if Tiafoe trips to Daniel Altmaier in Round 1 then Lehecka has a cakewalk to reach the semifinals where he should face Shelton. Both James Duckworth and Rinky Hijkata are fiesty Australians that won’t be easy outs, either.
Quarter 3
Quarter 3 should be Alexander Bublik’s as one of the best grass court players in the world. On paper, though, Tommy Paul is a legit threat to win the quarter but has a very difficult opponent in Round 1 against Giovanni Mpetshi Perricard – a serving machine that does well on grass. Similar to Perricard’s game and build is Jan-Lennard Struff, who will run into Bublik (potentially) prior to the quarterfinals. The winner of Paul vs. Mpethsi Perricard should face Bublik in the quarters, so we’ll take Bublik to win but if Paul gets past Round 1 he becomes a co-favorite to win the quarter with Bublik.
Quarter 4
Fritz lies at the bottom of the Stuttgart bracket, the No. 2 seed nestled in Quarter 4’s basement. He will get a tough test early against Martin Landaluce while another Spaniard in Alejandro Davidovich Fokina lurks above as the No. 7 seed. Mattia Bellucci and Yannick Hanfmann aren’t terrible dark horses to consider as Quarter 4 sees the most vulnerable favorites playing in it. On paper, Fritz should win the quarter but his form is far from a Top 10 talent. Perhaps grass season, one of his favorite surfaces, could be the genesis to a second-half comeback?
Tournament Pick: Alexander Bublik +600
Sleeper Pick: Tommy Paul +750
2026 ATP Libema Open Preview, Odds & Information
Any interesting field of competitors enters Netherlands for the ATP Libema Open this week, a cross-tour event with the women also making a pitstop here. Gabriel Diallo looks to defend his title, but much like Fritz in Stuttgart Diallo’s form isn’t on par from where it was a year ago. Will we crown a new champion in ‘s-Hertogenbosch?
2026 ATP Libema Open Information
- Start Date: Monday, Jun. 8, 2026
- Location: ‘s-Hertogenbosch, Netherlands
- Venue: Autotron Rosmalen
- Surface: Grass
- Level Event: 250
- Defending Champion: Gabriel Diallo
2026 ATP Libema Open Forecast
2026 ATP Libema Open Betting Odds
- Felix Auger Aliassime +375
- Daniil Medvedev +375
- Alex De Minaur +600
- Hubuert Hurkacz +1000
- Tallon Griekspoor +1100
- Ugo Humbert +1400
- Otto Virtanen +1400
- Arthur Rinderknech +2000
- Jenson Brooksby +2200
- Denis Shapovalov +2500
- Gabriel Diallo +2500
- Botic Van De Zandschulp +2500
- Zizou Bergs +2800
- Jaume Munar +3300
- Adrian Mannarino +3300
- Nuno Borges +3300
- Terence Atmane +4000
- Martin Fucsovics +5000
- Yibing Wu +5000
- Zhizhen Zhang +5000
- Mees Rottgering +10000
- Thijs Boogaard +25000
2026 ATP Libema Open Bracket Analysis
Quarter 1
Despite earning the No. 1 seed and entering as the betting favorite to win the event, Felix Auger-Aliassime has a difficult section. He will immediately face the winner of Hubert Hurkacz vs. Marton Fucsovics, where the winner will have to be in very good form to beat the other. If he gets past Round 2 he has a potential meeting against Zizou Bergs, which would be the easy route – as Otto Virtanen lurks at the bottom of this section as a grass court threat. FAA seems to be the favorite on paper, but his path to winning the title is anything but a cake walk from his first match onwards.
Quarter 2
Daniil Medvedev has a much easier path to the quarterfinals before facing a potential threat, as the top name in Quarter 2 and co-favorite to winning the Libema Open title. His big threats are under him in Marin Cilic, Denis Shapovalov, Nuno Borges and Terence Atmane. It is a true toss up of who will come out of that gauntlet, but Meddy has no excuse to not be waiting for the leftovers of whoever survives.
Quarter 3
The defending champion Diallo lies in Quarter 3, but as mentioned above seems nowhere close to the form that won him this championship in 2025. Of course, like Fritz, the change of surface could ignite his play – but that’s not enough to merit a wager on his odds. No. 4 seed Arthur Rinderkench is not a bad option to consider making it out of Quarter 4, but the early Dutch-showdown between Botic Van De Zandschulp and Tallon Griekspoor is also worth a dark horse shot. If Diallo gets past Rinderknech then look his way, but for now the frenchman should be the pick while the winning Dutchman in Round 1 is a sleeper to eye.
Quarter 4
Probably the toughest Quarter in Netherlands is Quarter 4 where Jaume Munar, Alex De Minaur and Ugo Humbert all are. Of the three, the conviction heavily lies with De Minuar or Humbert – as they are also on opposite sides of the quarter. With Munar lumped in Demon’s section, Humbert’s path to reach the quarterfinals becomes the more favorable of the two, but De Minaur has the best talent (especially on grass) in Quarter 4 despite a slightly more difficult path to reach the quarters.
Tournament Pick: Daniil Medvedev +375
Sleeper Pick: Alex De Minaur +600
Photo Credit: AP/Manu Fernandez









