| 141417 | Dittmer - Richardson | 1-0 | 6th of July 2023 02:02:41 | (chess) | rated |
| 141422 | Padrone - Dittmer | 0-1 | 4th of July 2023 12:57:40 | (chess) | rated |
| 141426 | Dittmer - Dyson | 0-1 | 5th of July 2023 13:25:54 | (chess) | rated |
| 141429 | Pintor - Dittmer | 1-0 | 7th of July 2023 02:38:23 | (chess) | rated |
| 141432 | Dittmer - Cesbron | 0-1 | 7th of July 2023 02:38:23 | (chess) | rated |
| 141433 | Pech - Dittmer | 1-0 | 6th of July 2023 14:19:19 | (chess) | rated |
| 141618 | Pintor - Dittmer | 1-0 | 5th of August 2023 06:09:11 | (chess) | rated |
| 141624 | Dittmer - Forme | 0-1 | 5th of August 2023 06:09:11 | (chess) | rated |
| 141625 | Budnar - Dittmer | 1-0 | 6th of August 2023 08:20:48 | (chess) | rated |
| 141626 | Dittmer - Obwoge | 0-1 | 5th of August 2023 06:09:11 | (chess) | rated |
| 141627 | Phillips - Dittmer | 1-0 | 5th of August 2023 06:09:11 | (chess) | rated |
| 141628 | Dittmer - Leurette | 0-1 | 5th of August 2023 06:09:11 | (chess) | rated |
| 147239 | Kehayov - Dittmer | 1-0 | 12th of February 2025 13:29:40 | (big_chess) | rated |
| 147244 | Dittmer - Pelzer | 0-1 | 12th of February 2025 13:29:56 | (big_chess) | rated |
| 147248 | Brand Lyard - Dittmer | 1-0 | 12th of February 2025 13:29:51 | (big_chess) | rated |
| 147251 | Dittmer - Brodie | 0-1 | 12th of February 2025 13:29:44 | (big_chess) | rated |
| 147253 | Ansani - Dittmer | 0-1 | 4th of March 2025 23:56:48 | (big_chess) | rated |
| 147255 | Dittmer - Neumann | 1-0 | 6th of March 2025 02:29:26 | (big_chess) | rated |
| 147403 | Dittmer - Chronopoulos | 0-1 | 12th of February 2025 13:29:21 | (chess) | rated |
| 147410 | Schroeder - Dittmer | 1-0 | 12th of February 2025 13:29:34 | (chess) | rated |
| 147416 | Dittmer - Wosch | 0-1 | 12th of February 2025 13:29:29 | (chess) | rated |
| 147421 | Pechova - Dittmer | 1-0 | 12th of February 2025 13:29:26 | (chess) | rated |
| 147425 | Dittmer - Koudelka | 0-1 | 12th of February 2025 13:29:08 | (chess) | rated |
| 147428 | Mach - Dittmer | 1-0 | 12th of February 2025 13:29:03 | (chess) | rated |
| 147430 | Dittmer - Cabrera | 0-1 | 12th of February 2025 13:29:17 | (chess) | rated |
| 147431 | Petrovich - Dittmer | 1-0 | 12th of February 2025 13:29:12 | (chess) | rated |
| 148104 | Rodriguez - Dittmer | 1-0 | 23rd of May 2025 11:26:38 | (chess) | rated |
| 148109 | Dittmer - Pintor | 0-1 | 23rd of May 2025 11:27:48 | (chess) | rated |
| 148113 | Leurette - Dittmer | 1-0 | 20th of May 2025 14:54:29 | (chess) | rated |
| 148116 | Dittmer - Brodie | 0-1 | 18th of July 2025 20:56:29 | (chess) | rated |
| 148118 | Phillip - Dittmer | 1-0 | 5th of May 2025 12:43:42 | (chess) | rated |
| 148120 | Dittmer - Trigance | 0-1 | 23rd of May 2025 11:27:00 | (chess) | rated |
| 148419 | Pintor - Dittmer | 1-0 | 23rd of May 2025 11:27:51 | (chess) | rated |
| 148424 | Dittmer - Autobello | 0-1 | 23rd of May 2025 11:27:29 | (chess) | rated |
| 148428 | Upadhyay - Dittmer | 1-0 | 31st of July 2025 18:15:56 | (chess) | rated |
| 148432 | Dittmer - Rodriguez | 0-1 | 23rd of May 2025 11:27:59 | (chess) | rated |
| 148433 | Fioravanti - Dittmer | 1-0 | 23rd of May 2025 11:27:37 | (chess) | rated |
| 148434 | Dittmer - Salonen | 0-1 | 23rd of May 2025 11:26:56 | (chess) | rated |
| 148459 | Leurette - Dittmer | 1-0 | 23rd of May 2025 11:27:12 | (chess) | rated |
| 148465 | Dittmer - Brodie | 0-1 | 23rd of May 2025 11:27:56 | (chess) | rated |
| 148466 | Paul - Dittmer | 1-0 | 23rd of May 2025 11:26:46 | (chess) | rated |
| 148467 | Dittmer - Phillip | 0-1 | 23rd of May 2025 11:27:21 | (chess) | rated |
| 148468 | Joubert - Dittmer | 1-0 | 23rd of May 2025 11:27:08 | (chess) | rated |
| 148469 | Dittmer - Alencar | 0-1 | 2nd of August 2025 02:32:02 | (chess) | rated |
| 148523 | Dittmer - Sorbi | 0-1 | 23rd of May 2025 11:27:26 | (chess) | rated |
| 148530 | LaDuke - Dittmer | 1-0 | 23rd of May 2025 11:27:41 | (chess) | rated |
| 148536 | Dittmer - Pirogov | 0-1 | 23rd of May 2025 11:27:04 | (chess) | rated |
| 148541 | Dyson - Dittmer | 1-0 | 23rd of May 2025 11:27:34 | (chess) | rated |
| 148545 | Dittmer - Wiaderek | 0-1 | 23rd of May 2025 11:27:44 | (chess) | rated |
| 148548 | Teverovski - Dittmer | 1-0 | 23rd of May 2025 11:27:16 | (chess) | rated |
| 148550 | Dittmer - Pech | 0-1 | 3rd of August 2025 12:25:47 | (chess) | rated |
| 148551 | Foster - Dittmer | 1-0 | 23rd of May 2025 11:26:51 | (chess) | rated |
| 148737 | Dittmer - Pintor | 0-1 | 22nd of July 2025 13:06:26 | (chess) | rated |
| 148742 | Brodie - Dittmer | 1-0 | 28th of July 2025 07:13:22 | (chess) | rated |
| 148746 | Dittmer - Alencar | 0-1 | 2nd of August 2025 14:51:38 | (chess) | rated |
| 148749 | Budnar - Dittmer | 1-0 | 21st of July 2025 05:49:55 | (chess) | rated |
| 148752 | Dittmer - Horoshilov | 0-1 | 22nd of July 2025 00:39:16 | (chess) | rated |
| 148753 | Leurette - Dittmer | 1-0 | 5th of July 2025 12:36:46 | (chess) | rated |
| 148779 | Dittmer - Pintor | 0-1 | 28th of July 2025 07:13:22 | (chess) | rated |
| 148784 | Leurette - Dittmer | 1-0 | 28th of July 2025 07:13:22 | (chess) | rated |
| 148788 | Dittmer - Soretti | 0-1 | 31st of July 2025 18:15:56 | (chess) | rated |
| 148791 | Brodie - Dittmer | 1-0 | 2nd of August 2025 14:51:38 | (chess) | rated |
| 148794 | Dittmer - Alencar | 1-0 | 22nd of August 2025 02:52:09 | (chess) | rated |
| 148795 | Goldmund - Dittmer | 1-0 | 2nd of August 2025 14:51:38 | (chess) | rated |
| 148821 | Dittmer - Martinez | 0-1 | 3rd of August 2025 12:28:03 | (chess) | rated |
| 148826 | Brodie - Dittmer | 1-0 | 27th of July 2025 03:28:43 | (chess) | rated |
| 148830 | Dittmer - Martinez Camacho | 0-1 | 10th of August 2025 08:47:29 | (chess) | rated |
| 148833 | Leurette - Dittmer | 1-0 | 25th of July 2025 11:21:08 | (chess) | rated |
| 148836 | Dittmer - Joubert | 0-1 | 29th of July 2025 08:04:05 | (chess) | rated |
| 148837 | Goldmund - Dittmer | 1-0 | 30th of July 2025 16:08:30 | (chess) | rated |
| 149405 | Dittmer - Budnar | 0-1 | 23rd of September 2025 11:55:36 | (chess) | rated |
| 149410 | Brodie - Dittmer | 1-0 | 22nd of September 2025 06:54:52 | (chess) | rated |
| 149414 | Dittmer - Paul | 0-1 | 9th of September 2025 19:50:16 | (chess) | rated |
| 149417 | Joubert - Dittmer | 1-0 | 7th of October 2025 21:02:40 | (chess) | rated |
| 149419 | Dittmer - Leurette | 0-1 | 25th of September 2025 04:00:27 | (chess) | rated |
| 149420 | Goldmund - Dittmer | 1-0 | 26th of September 2025 18:13:52 | (chess) | rated |
| 149889 | Dittmer - Autobello | 0-1 | 18th of November 2025 01:32:44 | (go) | rated |
| 149894 | Beckert - Dittmer | 1-0 | 10th of November 2025 15:14:08 | (go) | rated |
| 149898 | Dittmer - Rodriguez | 0-1 | 16th of November 2025 14:25:59 | (go) | rated |
| 149901 | Martinez Camacho - Dittmer | 1-0 | 14th of November 2025 14:48:25 | (go) | rated |
| 149903 | Dittmer - Vo | 1-0 | 21st of October 2025 14:16:50 | (go) | rated |
| 149904 | Dao - Dittmer | 0-1 | 10th of October 2025 02:35:22 | (go) | rated |
| 150056 | Kruse - Dittmer | 1-0 | 26th of November 2025 13:44:49 | (chess_960) | unrated |
| 150061 | Dittmer - Tedoldi | 0-1 | 3rd of December 2025 21:17:44 | (chess_960) | unrated |
| 150065 | Cirulis - Dittmer | 1-0 | 28th of November 2025 09:58:47 | (chess_960) | unrated |
| 150068 | Dittmer - Rodriguez | 0-1 | 1st of December 2025 00:25:14 | (chess_960) | unrated |
| 150070 | Martinez - Dittmer | 1-0 | 2nd of December 2025 03:51:49 | (chess_960) | unrated |
| 150072 | Dittmer - Nurcahyo | 0-1 | 4th of December 2025 10:23:08 | (chess_960) | unrated |
| 150141 | Brodie - Dittmer | 1-0 | 8th of December 2025 11:37:50 | (chess) | rated |
| 150146 | Dittmer - Pintor | 0-1 | 7th of December 2025 20:12:38 | (chess) | rated |
| 150150 | Marcel - Dittmer | 1-0 | 7th of December 2025 20:12:38 | (chess) | rated |
| 150154 | Dittmer - Alencar | 0-1 | 7th of December 2025 20:12:38 | (chess) | rated |
| 150155 | Budnar - Dittmer | 1-0 | 7th of December 2025 20:12:38 | (chess) | rated |
| 150156 | Dittmer - Hernandez | 0-1 | 7th of December 2025 20:12:38 | (chess) | rated |
| 150394 | Brodie - Dittmer | 1-0 | 25th of December 2025 08:47:11 | (chess) | rated |
| 150399 | Dittmer - Alencar | 0-1 | 21st of December 2025 03:11:34 | (chess) | rated |
| 150403 | Martinez - Dittmer | 1-0 | 21st of December 2025 03:11:34 | (chess) | rated |
| 150406 | Dittmer - Budnar | 0-1 | 20th of December 2025 13:38:26 | (chess) | rated |
| 150408 | Marcel - Dittmer | 1-0 | 28th of December 2025 10:08:08 | (chess) | rated |
| 150410 | Dittmer - Jerez | 0-1 | 21st of December 2025 03:11:34 | (chess) | rated |
| 150731 | Dittmer - Kruse | 0-1 | 25th of January 2026 08:47:16 | (chess_960) | unrated |
| 150736 | Hybl - Dittmer | 1-0 | 1st of February 2026 01:14:59 | (chess_960) | unrated |
| 150741 | Dittmer - Pirogov | 0-1 | 29th of January 2026 14:08:29 | (chess_960) | unrated |
| 150742 | Martinez - Dittmer | 1-0 | 25th of January 2026 08:47:16 | (chess_960) | unrated |
| 150743 | Dittmer - Brand Lyard | 0-1 | 21st of January 2026 10:25:20 | (chess_960) | unrated |
| 150744 | Guralivu - Dittmer | 1-0 | 25th of January 2026 22:01:45 | (chess_960) | unrated |
| 150773 | Dittmer - Brodie | 0-1 | 26th of January 2026 12:41:21 | (chess) | rated |
| 150778 | Leurette - Dittmer | 1-0 | 18th of January 2026 14:57:44 | (chess) | rated |
| 150783 | Dittmer - Martinez | 0-1 | 22nd of January 2026 02:59:51 | (chess) | rated |
| 150784 | Nurcahyo - Dittmer | 1-0 | 27th of January 2026 03:30:39 | (chess) | rated |
| 150785 | Dittmer - Martinez Camacho | 0-1 | 19th of January 2026 13:07:31 | (chess) | rated |
| 150786 | Alencar - Dittmer | 1-0 | 19th of January 2026 13:07:31 | (chess) | rated |