Gruber, Michael

USTA ID

2017312965

Gender

Male

Location

Northbrook, IL

WTN ID

GRU3229146

TennisLink · USTA · WTN

Active Flights

55 & Over M 9.0 Winter

Gnvw (Lo)

NTRP Ratings

Rating	Type	Year	Date	Expires
4.5	S	2026	Jan. 13, 2026	Jan. 13, 2028

WTN Ratings

Singles

29.50

Confidence 10 · 27.7–31.3

Doubles

30.43

Confidence 10 · 28.6–32.3

Team History

Year	Flight	Team	Role
2026	CDTA 55 & Over M 9.0 Winter Active	CDTA W 55&OM9.0 3.Gnvw Lo Sun 3 $22