Try these curated collections

Ball girl and ball boy
PARIS, FRANCE- MAY 25, 2015: Ball boy during match at Roland Garros 2015 in Paris, France
Ball boy tennis tournament
WIMBLEDON, LONDON - JUNE 23: A ball boys watches intently during while David Ferrer plays his first round match on court number two at the Wimbledon Championship on June 23 2008.
CLUJ-NAPOCA, ROMANIA - APRIL 16, 2016:  Ball boy, caddy in action during a Fed Cup tennis match, Romania against Germany
a person holding tennis balls
PARIS, FRANCE- MAY 26, 2015 :Ball boy holding Babolat tennis balls at Roland Garros 2015 in Paris, France
CLUJ-NAPOCA, ROMANIA - APRIL 17, 2016:  Ball boy, caddy in action during a Fed Cup tennis match, Romania against Germany
NEW YORK - SEPTEMBER 3, 2017: Ball boy holding tennis balls at the Billie Jean King National Tennis Center during US Open 2017
Tennis player in action on tennis court (selective focus, focus on ball in the foreground)
Joyful kids having fun on tennis court
Ball Girl
PARIS, FRANCE- MAY 30, 2015: Ball boy during match at Roland Garros 2015 in Paris, France
Tennis figure peoples with tennis racket set. Vector illustration
Cute little boy holding tennis balls instead of the eyes, blue background
Silhouette of a tennis player from particles. Text and background on a separate layer, color can be changed in one click. Tennis player
Tennis icon set - 3 .
A ball boy in action
Smiling boy with tennis balls. Isolated on white.
KYIV, UKRAINE - JULY 15, 2016: Ball boy during BNP Paribas Davis Cup Europe/Africa Zone Group I game Ukraine v Austria at Campa Bucha Tennis Club in Kyiv, Ukraine
Girls and boys playing tennis illustration
DUBAI, UNITED ARAB EMIRATES - FEBRUARY 15 : Closeup of a ball boy in action at the 2016 Dubai Duty Free Tennis Championships
A professional tennis player plays tennis on the court. He is preparing to hit the ball with a racket. The ball is flying in the air. Vector illustration of sports games
CLUJ-NAPOCA, ROMANIA - APRIL 16, 2016:  Ball boy, caddy in action during a Fed Cup tennis match, Romania against Germany
Silhouette of a tennis ball. Dots, lines, triangles, text, color effects and background on a separate layers, color can be changed in one click. Vector illustration
tennis design elements
NEW YORK - SEPTEMBER 10, 2017: Ball boy holding tennis balls at the Billie Jean King National Tennis Center during US Open 2017
CLUJ-NAPOCA, ROMANIA - APRIL 17, 2016:  Ball girl, caddy in action during a Fed Cup tennis match, Romania against Germany
Silhouette of a tennis ball. Dots, lines, triangles, text, color effects and background on a separate layers, color can be changed in one click. Vector illustration
PARIS, FRANCE- MAY 29, 2015: Ball boy during match at Roland Garros 2015 in Paris, France
Tennis Player Serve Stroke Ball Boy Line Judge Umpire Referee Champion Icon Sign Pictogram
Close up tennis ball fly closer from boy hit
Young tennis player on black background. Studio shot
Table Tennis Ping Pong Ball Fast Motion Moving Effect With Speed Line Trails
Young boy with tennis racket and ball isolated
NEW YORK - AUGUST 19: Ball boy on tennis court the Billie Jean King National Tennis Center on August 19, 2014 in Flushing, NY. US Open 2014 qualifying matches started on August 19, 2014
Silhouette of a tennis player from particles. Text and background on a separate layer, color can be changed in one click.
FLUSHING, NY - SEPTEMBER 5: Ball boy holding Wilson tennis balls at the Billie Jean King National Tennis Center on September 5, 2013 in Flushing. Wilson is the Official Ball of the US Open since 1979
Tennis player isolated vector silhouette, abstract ink drawing of tennis athlete. Forehand. Individual summer sport, active people
little funny tennis player
MELBOURNE - JANUARY 22:  Ball boy at the 2011 Australian Open Tennis on January 22, 2011 in Melbourne, Australia.
Sportsman plays tennis
Tennis Silhouette Vector
NEW YORK - SEPTEMBER 4, 2104: Ball boy holding tennis balls at the Billie Jean King National Tennis Center during US Open 2014
Teenage boy smiling while holding a tennis racket and ball.
Tennis player in action
Tennis Players Silhouettes - Vector tennis collection. (High Detail!) Check out my portfolio for other silhouettes. Enjoy
Kid serving the ball
Vector Illustration Of Kids Playing Table Tennis
ZURICH, SWITZERLAND-MARCH 24: Linesmen Ball unidentified boys and girls at BNP Paribas Zurich Open Champions Tour  in Zurich, SUI on March 24, 2012.
Disappointed tennis player, sitting on the ground, holding his head.
MONTREAL,CANADA - AUGUST 12: Montreal's balls boys at the semi-final of Montreal Rogers Cup August 12, 2009 in Montreal, Canada. Ball boys were first introduced at Wimbledon in 1920.
tennis icon
boy catching tennis ball
Silhouette of a tennis player. Text and background on a separate layer, color can be changed in one click.
Silhouette of a tennis player. Text and background on a separate layer, color can be changed in one click. Tennis player
Blond boy playing in the tennis balls.
Scattered tennis balls on tennis court by low section of legs of people
boy hitting forehand in tennis

Search for "tennis ball boy" in these categories

SYDNEY - JAN 13: An unidentified ball boy waits for the chance to retrieve a tennis ball during the APIA Tennis International in Sydney, Australia on January 13, 2012
Kids playing various sports vector illustration. happy cute kid teen play baseball tennis trowing. Sport games. Competition. Cute girl sport
Tennis boy holding balls isolated in black
Boy practicing tennis
Australian Open 2008 - Branding and Ball Boy
Smiling 8-year old boy holding tennis racket full of tennis balls on tennis court
Abstract silhouette of a tennis player woman female isolated on white background from particles dust, smoke. Tennis player hits the ball. Background can be changed to any other. Vector illustration
Thai boy with tennis balls
Young boy with tennis racket and ball
Ltttle kid tennis portrait.
Illustration of Tennis. hand drawn.
A young blond boy smiling and laying on a tennis court, with racket and balls.
Close-up of male hand holding tennis ball and racket, professional tennis player starting set in the tennis hall
group of tennis balls, boy collecting tennis balls from the court after practice session.
group of tennis balls, boy collecting tennis balls from the court after practice session.
Male Tennis player returning a serve
Boy tennis player throws the ball to hit. Small child plays tennis swinging a racket. Vector illustration isolated on white, side view profile, flat.
tennis player in action
Screaming boy with tennis balls. Isolated on white.
An overhead shot of tennis balls in a white bucket
Child playing tennis on outdoor court. Little girl with tennis racket and ball in sport club. Active exercise for kids. Summer activities for children. Training for young kid. Child learning to play
Tennis boy holding balls isolated in black
Smiling boy with tennis balls. Isolated on white.
Vector illustration of a cartoon boy playing tennis. Isolated white background. A child beats a tennis ball with a racket. Kid beats the ball with a racquet. Flat style.
cartoon boy playing tennis ball
Tennis boy
Silhouette of a tennis player. Text and background on a separate layer, color can be changed in one click.
Close up photo of a man swinging a tennis racquet during a tennis match.
Blond boy holds tennis balls.
Bright tennis ball Happy Father's Day card in vector format.
cute baby pug chihuahua mix puppy playing with a yellow tennis ball in the grass during summer
tennis player silhouettes and shadows-vector
young tennis player hits theball
Silhouette of a tennis player from particles. Text and background on a separate layer, color can be changed in one click. Tennis player
 tennis
Tennis background - vector illustration
set of different Kid hold tennis ball in hand, isolated on white background.
Ball boy picking up, holding the tennis ball, running on a tennis court, from the back
   african man tennis ball in the air
young tennis player ready to hit the ball
Sport illustration with tennis player
of 98