| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Apicella vs R Harper |
| 1-0 | 64 |
2000 |
34th Olympiad | B77 Sicilian, Dragon, Yugoslav Attack |
| 2. R Harper vs E Dervishi |
 | 0-1 | 53 |
2002 |
Bled Olympiad | C44 King's Pawn Game |
| 3. S A Sarsam vs R Harper |
| 1-0 | 53 |
2002 |
Bled Olympiad | A45 Queen's Pawn Game |
| 4. R Harper vs D Cohen |
| 0-1 | 30 |
2002 |
Internet Slow TC WCh p/o s-f | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 5. R Harper vs Kotronias |
| 0-1 | 34 |
2002 |
Bled Olympiad | B57 Sicilian |
| 6. D Svetushkin vs R Harper |
| 1-0 | 45 |
2002 |
Bled Olympiad | B77 Sicilian, Dragon, Yugoslav Attack |
| 7. R Harper vs E Schiller |
| 0-1 | 38 |
2003 |
Dos Hermanas Qualifier (16-B) | B18 Caro-Kann, Classical |
| 8. I Novikov vs R Harper |
| 1-0 | 39 |
2005 |
HB Global Chess Challenge | D15 Queen's Gambit Declined Slav |
| 9. G Carvalho vs R Harper |
| 0-1 | 40 |
2006 |
37th Chess Olympiad | A21 English |
| 10. J Hellsten vs R Harper |
| 1-0 | 45 |
2006 |
37th Chess Olympiad | D10 Queen's Gambit Declined Slav |
| 11. R Harper vs I Chahrani |
| 0-1 | 42 |
2006 |
37th Chess Olympiad | C42 Petrov Defense |
| 12. R Harper vs I Andrade |
| 1-0 | 39 |
2006 |
37th Chess Olympiad | B90 Sicilian, Najdorf |
| 13. R Castellanos vs R Harper |
| 1-0 | 31 |
2006 |
37th Chess Olympiad | B31 Sicilian, Rossolimo Variation |
| 14. S Al Afoo vs R Harper |
| 1-0 | 52 |
2006 |
37th Chess Olympiad | B70 Sicilian, Dragon Variation |
| 15. R Harper vs Z Byambaa |
| 1-0 | 48 |
2006 |
37th Chess Olympiad | B12 Caro-Kann Defense |
| 16. Yurtaev vs R Harper |
| 1-0 | 32 |
2006 |
37th Chess Olympiad | B70 Sicilian, Dragon Variation |
| 17. R Frick vs R Harper |
| 0-1 | 56 |
2006 |
37th Chess Olympiad | B22 Sicilian, Alapin |
| 18. R Harper vs T Thamtavatvorn |
| 1-0 | 60 |
2006 |
37th Chess Olympiad | B00 Uncommon King's Pawn Opening |
| 19. R Harper vs N A Hussein |
| 1-0 | 53 |
2006 |
37th Chess Olympiad | C42 Petrov Defense |
| 20. B Magana vs R Harper |
| ½-½ | 35 |
2006 |
37th Chess Olympiad | B75 Sicilian, Dragon, Yugoslav Attack |
| 21. B Hatanbaatar vs R Harper |
| 1-0 | 47 |
2008 |
2008 Olympiad | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 22. R Harper vs S Belkhodja |
| 0-1 | 36 |
2008 |
2008 Olympiad | C41 Philidor Defense |
| 23. R J Dive vs R Harper |
| 0-1 | 32 |
2008 |
2008 Olympiad | A20 English |
| 24. R Harper vs S Goundar |
| 1-0 | 40 |
2008 |
2008 Olympiad | B90 Sicilian, Najdorf |
| 25. M Al-Modiahki vs R Harper |
| 1-0 | 55 |
2008 |
2008 Olympiad | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |