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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Kc6 draw
3 Ra6 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb8 draw
8 Kc5 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves