![ZooTennis: Hauger Upsets Top Seed Flink in Australian Open Juniors; Top Seed Yastremska Loses at Les Petits As; Giron Wins Sherwood Cup; Rubin, Altamirano Join Davis Cup as Hitting Partners ZooTennis: Hauger Upsets Top Seed Flink in Australian Open Juniors; Top Seed Yastremska Loses at Les Petits As; Giron Wins Sherwood Cup; Rubin, Altamirano Join Davis Cup as Hitting Partners](http://2.bp.blogspot.com/-1ysZ7Kb2kKQ/Ut74JsYB3bI/AAAAAAAAY0w/-WiZ44XJqaU/s1600/Hauger12-13.jpg)
ZooTennis: Hauger Upsets Top Seed Flink in Australian Open Juniors; Top Seed Yastremska Loses at Les Petits As; Giron Wins Sherwood Cup; Rubin, Altamirano Join Davis Cup as Hitting Partners
![Lorenzo Sonego of Italy returns ball during qualifying day 4 against Collin Altamirano of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific Lorenzo Sonego of Italy returns ball during qualifying day 4 against Collin Altamirano of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific](https://c8.alamy.com/comp/PGBTPY/lorenzo-sonego-of-italy-returns-ball-during-qualifying-day-4-against-collin-altamirano-of-usa-at-us-open-tennis-championship-at-usta-billie-jean-king-national-tennis-center-photo-by-lev-radinpacific-press-PGBTPY.jpg)
Lorenzo Sonego of Italy returns ball during qualifying day 4 against Collin Altamirano of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific
Sacramento tennis standout Collin Altamirano thrives on relationship with coach | The Sacramento Bee
![USTA Nationals: Collin Altamirano becomes only the second unseeded player ever in championship match - mlive.com USTA Nationals: Collin Altamirano becomes only the second unseeded player ever in championship match - mlive.com](https://www.mlive.com/resizer/MgCHBlLTXvA0J4_ca7flc2sp3_k=/1280x0/smart/advancelocal-adapter-image-uploads.s3.amazonaws.com/image.mlive.com/home/mlive-media/width2048/img/kzgazette/sports_impact/photo/13225500-large.jpg)
USTA Nationals: Collin Altamirano becomes only the second unseeded player ever in championship match - mlive.com
![New York, USA - August 24, 2018: Collin Altamirano of USA returns ball during qualifying day 4 against Lorenzo Sonego of Italy at US Open Tennis championship at USTA Billie Jean King New York, USA - August 24, 2018: Collin Altamirano of USA returns ball during qualifying day 4 against Lorenzo Sonego of Italy at US Open Tennis championship at USTA Billie Jean King](https://c8.alamy.com/comp/PG8P86/new-york-usa-august-24-2018-collin-altamirano-of-usa-returns-ball-during-qualifying-day-4-against-lorenzo-sonego-of-italy-at-us-open-tennis-championship-at-usta-billie-jean-king-national-tennis-center-credit-lev-radinalamy-live-news-PG8P86.jpg)