Taylor Fritz won the Halle Open semi-final against Alexander Zverev on Saturday.
The match lasted 2 hours and 39 minutes, with Fritz winning 6-7(4) 6-4 7-5.
## What happened?
Zverev, the world number three, experienced issues with his glucose sensor during the match.
He consumed 350 grams of sugar in the first 45 minutes due to incorrect readings.
## Why it matters for Taylor Fritz
Fritz's victory marks a significant win, with Zverev acknowledging that Fritz deserved the win.
Fritz played better than Zverev, who struggled with his glucose levels.
## What comes next?
Zverev stated that the issue with his glucose sensor would not affect his performance at Wimbledon.
The German uses Medtronic technology to regulate his glucose levels.
Fritz's win is a notable achievement, given Zverev's recent form.
Zverev was diagnosed with Type 1 diabetes at the age of four.
He has been using glucose sensors since 2016 or 2017.
This is the first time Zverev has experienced such a significant error with his sensor.
The Halle Open is a key tournament in the lead-up to Wimbledon.
Fritz's victory will give him confidence ahead of the Grand Slam.
Zverev's glucose sensor issue was not a concern ahead of Wimbledon, which runs from June 29 to July 12.
Fritz's win against Zverev is a significant result, given their recent head-to-head record.