| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Watanabe vs O Mueller |
| 0-1 | 66 | 2012 | Istanbul Olympiad | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 52. R Pereira vs A Watanabe |
| ½-½ | 37 | 2012 | Istanbul Olympiad | A15 English |
| 53. A Watanabe vs R Dineley |
| ½-½ | 31 | 2012 | Istanbul Olympiad | D30 Queen's Gambit Declined |
| 54. L Dekar vs A Watanabe |
| ½-½ | 51 | 2012 | Istanbul Olympiad | B90 Sicilian, Najdorf |
| 55. A Adly vs A Watanabe |
| 1-0 | 34 | 2012 | Istanbul Olympiad | E67 King's Indian, Fianchetto |
| 56. J Cueto vs A Watanabe |
| 1-0 | 52 | 2012 | Istanbul Olympiad | B53 Sicilian |
| 57. A Watanabe vs Li Tian Yeoh |
| ½-½ | 49 | 2012 | Istanbul Olympiad | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 58. A Watanabe vs P Villegas |
| ½-½ | 48 | 2012 | Istanbul Olympiad | D31 Queen's Gambit Declined |
| 59. V Akopian vs A Watanabe |
| 1-0 | 47 | 2014 | Tromso Olympiad | A05 Reti Opening |
| 60. A Watanabe vs Mark Bueno |
| 1-0 | 71 | 2014 | Tromso Olympiad | E40 Nimzo-Indian, 4.e3 |
| 61. A Watanabe vs P Schreiner |
| 1-0 | 25 | 2014 | Tromso Olympiad | D86 Grunfeld, Exchange |
| 62. A Watanabe vs S Garcia Fuentes |
| ½-½ | 30 | 2014 | Tromso Olympiad | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 63. R Singh vs A Watanabe |
| 0-1 | 49 | 2014 | Tromso Olympiad | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 64. J Jamena vs A Watanabe |
| 0-1 | 30 | 2014 | Tromso Olympiad | B23 Sicilian, Closed |
| 65. A Watanabe vs H Tikkanen |
 | 1-0 | 40 | 2014 | Tromso Olympiad | D30 Queen's Gambit Declined |
| 66. A Watanabe vs P Wiwatanadate |
| 1-0 | 56 | 2014 | Tromso Olympiad | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 67. J Shaw vs A Watanabe |
| 1-0 | 40 | 2014 | Tromso Olympiad | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 68. A Watanabe vs D Kosic |
| 0-1 | 61 | 2014 | Tromso Olympiad | E41 Nimzo-Indian |
| 69. T Hilwani vs A Watanabe |
| 1-0 | 30 | 2020 | FIDE Online Olympiad | A15 English |
| 70. A Watanabe vs K Venkatesan |
| 0-1 | 35 | 2020 | FIDE Online Olympiad | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 71. A F Ker vs A Watanabe |
| ½-½ | 50 | 2020 | FIDE Online Olympiad | B23 Sicilian, Closed |
| 72. A Watanabe vs L Pasko |
| 0-1 | 42 | 2020 | FIDE Online Olympiad | D10 Queen's Gambit Declined Slav |
| 73. X H Looi vs A Watanabe |
| ½-½ | 26 | 2020 | FIDE Online Olympiad | B09 Pirc, Austrian Attack |
| 74. A Watanabe vs I Efimov |
| 1-0 | 36 | 2020 | FIDE Online Olympiad | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 75. X Liu vs A Watanabe |
| 1-0 | 26 | 2020 | FIDE Online Olympiad | B40 Sicilian |
Kibitzing
