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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Kde8 draw
6 Kfe8 draw
7 Kg8 draw
8 Ra2 draw
9 Ra7 draw
10 Rb8 draw
11 Kde7 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Ra1 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