Guam CH 1990
Jamie Morgan won the title, beating Chuck Adams 6–2 7–6 in the final.
Main draw 32 players
- 1🇺🇸Jeff TarangoRound of 32 · Lost to Bruce Derlin
- 2🇦🇺Neil BorwickRound of 16 · Lost to Mike Briggs
- 3🇺🇸Jonathan CanterRound of 16 · Lost to Glenn Michibata
- 5🇺🇸Scott PatridgeRound of 32 · Lost to Steve Devries
- 6🇦🇺Carl LimbergerRound of 32 · Lost to Andrew Castle
- 7🇺🇸Francisco MontanaQuarterfinals · Lost to Jamie Morgan
- 8🇺🇸Chuck AdamsFinal · Lost to Jamie Morgan
- 🇦🇺Jamie MorganFinal · Champion
- WC🇨🇦Glenn MichibataSemifinals · Lost to Jamie Morgan
- 🇺🇸Steve DevriesSemifinals · Lost to Chuck Adams
- 🇬🇧Andrew CastleQuarterfinals · Lost to Glenn Michibata
- LL🇺🇸Matt AngerQuarterfinals · Lost to Steve Devries
- 🇺🇸Mike BriggsQuarterfinals · Lost to Chuck Adams
- 🇰🇷Bong Soo KimRound of 16 · Lost to Francisco Montana
- 🇳🇿Bruce DerlinRound of 16 · Lost to Jamie Morgan
- 🇦🇺Sandon StolleRound of 16 · Lost to Matt Anger
- Q🇮🇳Srinivasan VasudevanRound of 16 · Lost to Steve Devries
- Q🇺🇸Ted SchermanRound of 16 · Lost to Chuck Adams
- Q🇺🇸Tim TrigueiroRound of 16 · Lost to Andrew Castle
- 🇪🇸Daniel MarcoRound of 32 · Lost to Sandon Stolle
- 🇺🇸Greg FaillaRound of 32 · Lost to Francisco Montana
- WC🇬🇧Greg RusedskiRound of 32 · Lost to Glenn Michibata
- Q🇺🇸John StimpsonRound of 32 · Lost to Srinivasan Vasudevan
- 🇺🇸Joseph RussellRound of 32 · Lost to Chuck Adams
- 🇺🇸Mark KeilRound of 32 · Lost to Tim Trigueiro
- WC🇸🇪Marten RenstromRound of 32 · Lost to Ted Scherman
- WC🇭🇰Michael WalkerRound of 32 · Lost to Bong Soo Kim
- 🇺🇸Otis SmithRound of 32 · Lost to Neil Borwick
- 🇺🇸Pat CrowRound of 32 · Lost to Jamie Morgan
- 🇰🇪Paul WekesaRound of 32 · Lost to Mike Briggs
- 🇺🇸Richard MatuszewskiRound of 32 · Lost to Matt Anger
- LL🇺🇸Tj MiddletonRound of 32 · Lost to Jonathan Canter