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Dunlop Grand Prix (High Altitude)
Dunlop Grand Prix (High Altitude) is best for hard court and indoor, players who want a lively ball, frequent play (it lasts).
Facts
Brand
Dunlop
Model
Grand Prix
Duty
High Altitude
Type
Pressurized
Built for
hard court, indoor
Tier
Mid
ITF approved
Yes
Available
US
What to know
The designated high-altitude ball of ITA college tennis, keeping the Grand Prix's woven XD felt with a reduced-pressure core so bounce stays legal above ~4,000 ft. The default choice for competitive play in Denver, Albuquerque and similar elevations.
- Holds up well — fewer cans over a season
- Lively off the strings
- Stays playable for about 2 weeks before it goes flat
When to open a fresh can
About every 2 weeks of regular play, if you want consistent bounce — this ball's pressure fades gradually like any pressurized ball.
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