Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb5 draw
3 Kg3 draw
4 Kg4 draw
5 Kg5 draw
6 Rb7 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Ka7 loss in 1 half-moves
20 Kb7 loss in 1 half-moves
21 Kc7 loss in 1 half-moves