![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
Sacramento tennis standout Collin Altamirano thrives on relationship with coach | The Sacramento Bee
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ZooTennis: Baptiste, Altamirano Win USTA Pro Circuit Titles; 36 American Juniors Begin Play This Week at ITF Grade A in Merida Mexico
![Collin Altamirano of USA reacts during qualifying day 4 against Lorenzo Sonego of Italy at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific Press Collin Altamirano of USA reacts during qualifying day 4 against Lorenzo Sonego of Italy at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific Press](https://c8.alamy.com/comp/PGBTWA/collin-altamirano-of-usa-reacts-during-qualifying-day-4-against-lorenzo-sonego-of-italy-at-us-open-tennis-championship-at-usta-billie-jean-king-national-tennis-center-photo-by-lev-radinpacific-press-PGBTWA.jpg)
Collin Altamirano of USA reacts during qualifying day 4 against Lorenzo Sonego of Italy at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific Press
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