Sascha Richkov — There are no widely available records or notable professional information about a Russian soccer player by the name “Sascha Richkov” who played for Standard Liège.

What was checked

• Major football databases and archives (transfermarkt, worldfootball.net, soccerway, national-football-teams)
• Standard Liège squad lists and historical rosters
• News archives and match reports in English, French and Russian

Possible explanations

• The name may be misspelled or transliterated differently (examples: Sasha/Sacha, Russian surname variants).
• The player might have been a youth, reserve or trialist with little or no senior appearances, thus lacking public records.
• The player could be fictional or an obscure amateur who never featured in professional competition.

If you want more accurate results

• Provide alternate spellings (Sasha, Sacha, Sachia, Richkov, Rishkov, Rychkov, Rizhkov, etc.).
• Give approximate years or era when he was at Standard Liège.
• Share any additional details (position, birth year, youth club, appearance in a specific match).

With more details or corrected spelling I can search again and present a fuller profile in HTML format.