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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Kh5 draw
13 Kh7 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rh8 draw
18 Kb5 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves