
1) A-one 2) Incomparable 3) Lone 4) Matchless 5) Nonesuch 6) Nonpareil 7) Only 8) Peerless 9) Sole 10) The best 11) Uncomparable 12) Unmatchable 13) Unrivalled
Found on
https://www.crosswordclues.com/clue/unrivaled

1) By oneself 2) Having no equal 3) Having no rival 4) Having no rival or competitor 5) Incomparable 6) Lacking serious challenge 7) Matchless 8) Nonpareil 9) One and only 10) Peerless 11) Uncomparable 12) Unmatchable 13) Unmatched 14) Unrivalled 15) Without equal
Found on
https://www.crosswordclues.com/clue/unrivaled

== PLOT == The best fighter in the world works two jobs and supports his sister. The only problem… he doesn’t know he’s the best. Ringo Duran, the son of Gracie Duran, a famous Argentinian kick boxer, works two jobs to make ends meet. His passion, full contact fighting. His goal, fulfill a lifelong dream of becoming a professional fighter. R...
Found on
http://en.wikipedia.org/wiki/Unrivaled

• (a.) Having no rival; without a competitor; peerless.
Found on
http://thinkexist.com/dictionary/meaning/unrivaled/

having no rival or competitor; having no equal; incomparable; supreme: His work is unrivaled for the beauty of its prose.
Found on
https://www.infoplease.com/dictionary/unrivaled
No exact match found.