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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kc5 draw
3 Kd5 draw
4 Ke5 draw
5 Ra8 draw
6 Rb8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh5 draw
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Kg5 loss in 1 half-moves
23 Kh5 loss in 1 half-moves