Due to a complete lack of information regarding the plot, characters, or themes of 'Fong Sai-Yuk, 2020', it is not possible to assess the film's portrayal of LGBTQ+ individuals or themes. Therefore, no determination can be made regarding its net impact.

There is insufficient information available to assess the portrayal of transsexual characters or themes in 'Fong Sai-Yuk, 2020'. Without plot details or character descriptions, it is not possible to determine if such depictions exist or their nature, thus preventing any evaluation of net impact.

There is insufficient information available about the plot, character roles, or specific fight scenes in 'Fong Sai-Yuk, 2020' to determine if any female character engages in and wins direct physical combat against one or more male opponents.

The film's title references Fong Sai-Yuk, a historically male character. However, without character-specific casting details or a plot summary for this particular 2020 adaptation, it is impossible to determine if any established character's gender has been altered.

The character Fong Sai-Yuk is a legendary Chinese martial artist. The 2020 film is a Chinese production starring East Asian actors, indicating the character is portrayed consistent with his established race.