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1. Undercurrent. by ferventdevotee

   Fandoms: Tennis RPF  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   28 Dec 2025

   Tags

   • No Archive Warnings Apply
   • Carlos Alcaraz/Jannik Sinner
   • Carlos Alcaraz
   • Jannik Sinner
   • Juan Carlos Ferrero
   • Flavio Cobolli
   • Marc Marquez
   • Lorenzo Musetti
   • Alternate Universe - Swimming
   • Rivals to Lovers
   • Mutual Pining
   • Original Best Friend Character

   Summary

   Professional swimmer Carlos meets young prodigy Jannik at a training camp. What should've been an unimportant week sets the foundations for a rivalry the world will remember. And, well, maybe it's also the beginning of something beautiful, Carlos thinks, as he develops feelings for his opponent.

   Language:

   English

   Words:

   15,458

   Chapters:

   2/?

   Comments:

   22

   Kudos:

   59

   Bookmarks:

   4

   Hits:

   766