2007 US Open – Boys' singles

The United States Open Tennis Championships is a hardcourt tennis tournament held annually at Flushing Meadows, starting on the last Monday in August and lasting for two weeks. The tournament consists of five main championship events: men's and women's singles, men's and women's doubles, and mixed doubles, with additional tournaments for seniors, juniors, and wheelchair players.

In 2007, the boys' singles event was won by Ričardas Berankis of Lithuania who beat Jerzy Janowicz of Poland, 6–3, 6–4 in the final.

Seeds
The seeded players are listed below. They are shown by the round in which they were eliminated. • # 🇧🇾 Uladzimir Ignatik (quarterfinals)

• # N.A.

• # 🇮🇹 Matteo Trevisan (semifinals)

• # 🇧🇷 Fernando Romboli (first round)

• # 🇦🇺 Greg Jones (quarterfinals)

• # 🇫🇷 Jonathan Eysseric (second round)

• # 🇫🇷 Stéphane Piro (second round)

• # 🇨🇿 Roman Jebavý (quarterfinals)

• # 🇺🇸 Rhyne Williams (third round)

• # Ricardo Urzua-Rivera (first round)

• # 🇮🇹 Thomas Fabbiano (semifinals)

• # 🇦🇺 John-Patrick Smith (second round)

• # 🇦🇺 Stephen Donald (first round)

• # 🇧🇷 Henrique Cunha (first round)

• # 🇱🇹 Ričardas Berankis (champion)

• # Guillermo Rivera Aránguiz (first round)

• # 🇲🇩 Radu Albot (third round)