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 Kc8 draw
4 Ked7 draw
5 Kee8 draw
6 Ra5 draw
7 Ra7 draw
8 Rb8 draw
9 Kc7 loss in 2 half-moves
10 Kdd7 loss in 2 half-moves
11 Kde8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves