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 Ke2 draw
8 Ke5 draw
9 Ra1 draw
10 Ra8 draw
11 Rb5 draw
12 Kc4 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves