| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F van Seters vs Rossolimo |
| ½-½ | 40 | 1951 | Hoogovens | B08 Pirc, Classical |
| 27. V Palomaa vs F van Seters |
| 0-1 | 44 | 1951 | Hoogovens | A47 Queen's Indian |
| 28. F van Seters vs O'Kelly |
| ½-½ | 47 | 1951 | Hoogovens | C64 Ruy Lopez, Classical |
| 29. Filip vs F van Seters |
| 1-0 | 28 | 1954 | BEL-CSR | C05 French, Tarrasch |
| 30. S Rubinstein vs F van Seters |
| 0-1 | 31 | 1954 | Belgium | C16 French, Winawer |
| 31. B Perfors vs F van Seters |
 | 1-0 | 22 | 1955 | Wageningen | C05 French, Tarrasch |
| 32. F van Seters vs H Bouwmeester |
| 0-1 | 62 | 1959 | NED-BEL | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 33. Gligoric vs F van Seters |
| 1-0 | 38 | 1962 | Hastings 1962/63 | A58 Benko Gambit |
| 34. F van Seters vs Smyslov |
| ½-½ | 62 | 1962 | Hastings 1962/63 | D25 Queen's Gambit Accepted |
| 35. P H Clarke vs F van Seters |
| ½-½ | 31 | 1962 | Hastings 1962/63 | A37 English, Symmetrical |
| 36. F van Seters vs Kotov |
| 0-1 | 73 | 1962 | Hastings 1962/63 | B08 Pirc, Classical |
| 37. A Hollis vs F van Seters |
| 1-0 | 34 | 1963 | Hastings 1962/63 | E33 Nimzo-Indian, Classical |
| 38. C H Alexander vs F van Seters |
| ½-½ | 24 | 1963 | Hastings 1962/63 | B16 Caro-Kann, Bronstein-Larsen Variation |
| 39. F van Seters vs Tan Hoan Liong |
| 1-0 | 34 | 1963 | Hastings 1962/63 | E00 Queen's Pawn Game |
| 40. D Marovic vs F van Seters |
| ½-½ | 47 | 1963 | Hastings 1962/63 | E39 Nimzo-Indian, Classical, Pirc Variation |
| 41. F van Seters vs J E Littlewood |
| 0-1 | 31 | 1963 | Hastings 1962/63 | A21 English |
| 42. F van Seters vs J van Steenis |
| ½-½ | 42 | 1963 | Hoogovens-C | A16 English |
| 43. F Kuijpers vs F van Seters |
| ½-½ | 52 | 1963 | Hoogovens-C | A07 King's Indian Attack |
| 44. F van Seters vs E Canal |
| 0-1 | 32 | 1963 | Hoogovens-C | D15 Queen's Gambit Declined Slav |
| 45. Saemisch vs F van Seters |
| 0-1 | 26 | 1963 | Hoogovens-C | D32 Queen's Gambit Declined, Tarrasch |
| 46. F van Seters vs H Kramer |
| ½-½ | 40 | 1963 | Hoogovens-C | E06 Catalan, Closed, 5.Nf3 |
| 47. F van Seters vs G Kieninger |
| 1-0 | 47 | 1963 | Hoogovens-C | A27 English, Three Knights System |
| 48. H Lange vs F van Seters |
| 1-0 | 29 | 1963 | Hoogovens-C | D25 Queen's Gambit Accepted |
| 49. F van Seters vs P Smederevac |
| 0-1 | 54 | 1963 | Hoogovens-C | E25 Nimzo-Indian, Samisch |
| 50. Fazekas vs F van Seters |
| ½-½ | 46 | 1963 | Hoogovens-C | B13 Caro-Kann, Exchange |
Kibitzing
