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 Ra2 draw
9 Ra7 draw
10 Rb1 draw
11 Kc2 loss in 2 half-moves
12 Kdd2 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves