Bayshore Park, Miami Beach, FL Feb 19–21, 2027
A World Record Attempt
The Guinness World Record for most consecutive singles tennis matches stands at 40. On February 19–21, 2027, former pro and current coach Sandra Alonso will attempt to break the record with 50 matches at Bayshore Park in Miami Beach.
Fifty matches. One player. NonStop.
Bayshore Park, Miami Beach · Feb 19–21, 2027
The Record
Ten matches past the edge of the record
The challenger
Sandra Alonso
It really started by asking, what if...
Extraordinary accomplishments happen because someone started with what if. That question has led us to this attempt at the Guinness World Record for most consecutive singles tennis matches. On February 19–21, 2027, Sandra Alonso will attempt to break the current record of 40 matches by completing a total of 50.
This isn't about one athlete, but about a community that will be a part of a legendary moment.
Her story
Get Involved
A record isn't set alone. It's built together.
Mission50 is a three-day record attempt at Bayshore Park in Miami Beach, Florida, where Sandra and fifty players will work toward one unambiguous end.
It will take one athlete willing to push her body and mind to the limit, and competitors and officials showing up precisely, in a coordinated effort to meet every Guinness World Records regulation to the letter.
Get behind it
Want to support?
Fifty matches take more than one athlete. Here’s how to help.
Volunteer
Ball crew, court operations, record support and more. The attempt runs on people who show up.
VolunteerWatch it live
Sign up and we’ll send the livestream link and event details as they’re confirmed.
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Stay updated
Get the livestream link and event news as details are confirmed. Want to play a match or join the crew? Choose it below.
History is never made alone.— Mission50
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