Tennis Tracker: Struff & Tsitsipas lose Gstaad semis, Nadal & Zverev into finals
23:42 CET - And that concludes today's tennis action! Come back tomorrow for finals from around Europe and USA.
23:33 CET - Karolina Muchova (27) will face Qinwen Zheng (21) in the final of the Palermo Open after defeating Irina-Camelia Begu (33) 6-1, 6-1 in double quick time.
22:05 CET - Marcos Giron (30) has edged a classic encounter with fellow American Chris Eubanks (28) to join Michelsen in the Newport final. Giron won 6-4, 3-6, 6-2.
22:00 CET - Number one seed Qinwen Zheng (21) has booked her place in the final of Palermo with a 7-5, 6-4 win over Diane Parry (21).
20:20 CET - The first semi-final in Newport has come to a close and there were no upsets as Alex Michelsen (19) made light work of Reilly Opelka (26), winning 6-2, 6-0 to progress to the final.
18:33 CET - Top seed Alexander Zverev (27) is into the Hamburg decider after downing Pedro Martinez (27) 6-2, 6-4. The German will face young Frenchman Arthur Fils (20) in Sunday's final.
m17:45 CET - Top seed Diana Shnaider (20) will face Aliaksandra Sasnovich (30) in the final in Budapest tomorrow after she defeated Eva Lys (22) 6-3, 6-3 in the second semi-final.
17:05 CET - Nuno Borges (27) will take on Rafael Nadal (38) in the Bastad final tomorrow after defeating Thiago Agustin Tirante (23) 6-3, 6-4 in their semi-final.
Over in Hamburg, Arthur Fils (20) has booked his spot in the final after beating Sebastien Baez (23) 6-2, 6-2.
16:35 CET - Rafael Nadal (38) and Casper Ruud have pulled out of their doubles semi-final in Bastad as the veteran Spaniard will be playing in the singles final tomorrow.
16:00 CET - Aliaksandra Sasnovich (30) has overcome a tough test in Budapest to beat Anna Schmiedlova (30) and secure her place in the final. Sasnovich won the opening semi-final of the day 6-3, 3-6, 7-5.
15:28 CET - Matteo Berrettini (28) has ended top seed Stefanos Tsitsipas' (25) run in Gstaad, edging their semi-final 7-6, 7-5. Berrettini will face Quentin Halys (27) in tomorrow's decider at the Swiss Open.
15:25 CET - Rafael Nadal (38) is into the Bastad final after coming back to beat Duje Ajdukovic (23) 4-6, 6-3, 6-4. The veteran has returned to form in Sweden ahead of his appearance at the Paris Olympics. Tomorrow's decider will be his first tour-level final since 2022.
12:40 CET - In the first semi-final of this Saturday, fifth seed Jan-Lennard Struff (34) has been shocked by world 192-ranked player Quentin Halys (27) in straight sets. Halys won 6-3, 7-6 (7-2).
09:50 CET - The action starts in Gstaad, Switzerland today in a little over an hour with the first semi-final between Jan-Lennard Struff (34) and Quentin Halys (27). That's from 11:00 CET.
Not long after that, the second semi sees top seed Stefanos Tsitsipas (25) take on Matteo Berrettini (28) in what could be one of the matches of the day.
Keep an eye on the action in Gstaad here.
07:00 CET - Hello and welcome to the Tennis Tracker on this blockbuster Saturday of semi-finals! We are down to the final four men in Bastad, Gstaad, Newport and Hamburg and the final four ladies in Palermo and Budapest as well.
We will have all the results from those tournaments for you here throughout the day with the headline match being Rafael Nadal's (38) Bastad clash with Duje Ajdukovic (23) at 13:00 CET.
Alexander Zverev (27) will be in action in Hamburg at 17:00 CET with Karolina Muchova (27), who advanced in Palermo with a win late last night, taking the court at around 21:30 CET this evening.