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 Ked7 win in 5 half-moves
3 Kee7 win in 5 half-moves
4 Ra8 win in 5 half-moves
5 Rb6 win in 7 half-moves
6 Kc6 draw
7 Kd8 draw
8 Ke6 draw
9 Ra1 draw
10 Kc5 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Kde7 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 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 Ra5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves