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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Kc1 draw
3 Kd3 draw
4 Kde1 draw
5 Ke3 draw
6 Ked2 draw
7 Kee1 draw
8 Kf1 draw
9 Kf2 draw
10 Kf3 draw
11 Ra2 draw
12 Ra5 draw
13 Rb1 draw
14 Kc2 loss in 2 half-moves
15 Kdd2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves