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