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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kd6 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Kdd8 draw
8 Ked8 draw
9 Ra5 draw
10 Ra7 draw
11 Rd8 draw
12 Kde7 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kee7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra1 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