| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 101. M Trunz vs L Costa |
| 0-1 | 41 | 2025 | Grenke Chess Open | E04 Catalan, Open, 5.Nf3 |
| 102. L Costa vs J Semling |
| 1-0 | 57 | 2025 | Grenke Chess Open | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 103. V Colin vs L Costa |
| 0-1 | 44 | 2025 | Grenke Chess Open | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 104. L Costa vs D Fischer |
| 1-0 | 50 | 2025 | Grenke Chess Open | C53 Giuoco Piano |
| 105. Vitiugov vs L Costa |
| ½-½ | 27 | 2025 | Grenke Chess Open | C84 Ruy Lopez, Closed |
| 106. L Costa vs J Nemec |
| 1-0 | 38 | 2025 | Grenke Chess Open | B12 Caro-Kann Defense |
| 107. J Subelj vs L Costa |
| ½-½ | 37 | 2025 | Grenke Chess Open | A14 English |
| 108. L Costa vs M Bartel |
| ½-½ | 43 | 2025 | Grenke Chess Open | C55 Two Knights Defense |
| 109. Saric vs L Costa |
| 1-0 | 46 | 2025 | Grenke Chess Open | A14 English |
| 110. L Costa vs T Razafindratsima |
| 1-0 | 36 | 2025 | Bundesliga 2024/25 | B54 Sicilian |
| 111. U Boensch vs L Costa |
| 0-1 | 38 | 2025 | Bundesliga 2024/25 | D45 Queen's Gambit Declined Semi-Slav |
| 112. M Kraemer vs L Costa |
  | 0-1 | 37 | 2025 | German Championship | C80 Ruy Lopez, Open |
| 113. N Huschenbeth vs L Costa |
| ½-½ | 40 | 2025 | German Championship | D02 Queen's Pawn Game |
| 114. L Costa vs D Wagner |
| ½-½ | 39 | 2025 | German Championship | C81 Ruy Lopez, Open, Howell Attack |
| 115. Keymer vs L Costa |
| 1-0 | 33 | 2025 | German Championship | D05 Queen's Pawn Game |
| 116. L Costa vs Bluebaum |
| ½-½ | 43 | 2025 | German Championship | C02 French, Advance |
| 117. R Svane vs L Costa |
| ½-½ | 58 | 2025 | German Championship | C53 Giuoco Piano |
| 118. L Costa vs A Donchenko |
| ½-½ | 40 | 2025 | German Championship | A07 King's Indian Attack |
| 119. M Dobrikov vs L Costa |
| ½-½ | 59 | 2025 | German Championship | D35 Queen's Gambit Declined |
| 120. L Costa vs F Svane |
| ½-½ | 41 | 2025 | German Championship | B90 Sicilian, Najdorf |
| 121. R Odabasi vs L Costa |
| ½-½ | 49 | 2025 | 3rd Munich Whitsun Open A | E39 Nimzo-Indian, Classical, Pirc Variation |
| 122. L Costa vs Y Tang |
| 1-0 | 39 | 2025 | 3rd Munich Whitsun Open A | B92 Sicilian, Najdorf, Opocensky Variation |
| 123. B Krasteva vs L Costa |
| 0-1 | 28 | 2025 | 3rd Munich Whitsun Open A | D05 Queen's Pawn Game |
| 124. L Costa vs J Paul |
| 1-0 | 23 | 2025 | 3rd Munich Whitsun Open A | C02 French, Advance |
| 125. V Bernadskiy vs L Costa |
| 0-1 | 46 | 2025 | 3rd Munich Whitsun Open A | E04 Catalan, Open, 5.Nf3 |
Kibitzing
