| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F Jenni vs Gligoric |
| ½-½ | 15 |
1998 |
Nagler mem | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 2. F Jenni vs Smyslov |
| ½-½ | 35 |
1998 |
Memorial Alois Nagler, Zurich (Switzerland) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 3. F Jenni vs De Vreugt |
| ½-½ | 43 |
2000 |
World Junior | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 4. F Jenni vs M Kobalia |
| 0-1 | 52 |
2001 |
MTO | C60 Ruy Lopez |
| 5. F Jenni vs R Schlichthaar |
| 1-0 | 40 |
2001 |
MTO | C64 Ruy Lopez, Classical |
| 6. F Jenni vs Spassky |
 | ½-½ | 36 |
2001 |
Korchnoi Birthday Gp B | C61 Ruy Lopez, Bird's Defense |
| 7. F Jenni vs De Vreugt |
| 1-0 | 38 |
2001 |
Zug SUI | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 8. F Jenni vs S Nyysti |
| 1-0 | 66 |
2003 |
4th IECC | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 9. F Jenni vs A Abdulla |
| 1-0 | 44 |
2004 |
36th Olympiad | C77 Ruy Lopez |
| 10. F Jenni vs A Gunnarsson |
| 1-0 | 32 |
2005 |
15th European Team Championship | C62 Ruy Lopez, Old Steinitz Defense |
| 11. F Jenni vs T Roussel Roozmon |
| ½-½ | 68 |
2006 |
37th Chess Olympiad | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 12. F Jenni vs M Yahya |
| 1-0 | 28 |
2006 |
37th Chess Olympiad | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 13. F Jenni vs B Brinck-Claussen |
| ½-½ | 24 |
2006 |
European Club Cup | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 14. F Jenni vs M Klauser |
| 1-0 | 88 |
2006 |
Swiss Championship | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 15. F Jenni vs S Estremera Panos |
| 1-0 | 84 |
2007 |
European Individual Championships | C68 Ruy Lopez, Exchange |
| 16. F Jenni vs Nijboer |
| ½-½ | 42 |
2007 |
European Individual Championships | C68 Ruy Lopez, Exchange |
| 17. F Jenni vs L B Hansen |
| ½-½ | 16 |
2007 |
European Team Chess Championships | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 18. F Jenni vs G Sargissian |
| 0-1 | 43 |
2007 |
Ordix Open | C65 Ruy Lopez, Berlin Defense |
| 19. F Jenni vs Akopian |
 | 0-1 | 96 |
2007 |
Ordix Open | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 20. F Jenni vs G Carvalho |
| 1-0 | 68 |
2008 |
2008 Olympiad | C78 Ruy Lopez |
| 21. F Jenni vs Z Gyimesi |
| ½-½ | 40 |
2009 |
17th European Team Championship | C60 Ruy Lopez |