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

EGTB: win in 4 half-moves

# move score
1 Rc5 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc5 draw
5 Kd2 draw
6 Ke1 draw
7 Ra5 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb7 draw
12 Rb8 draw
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves