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

EGTB: win in 6 half-moves

# move score
1 Ka6 win in 5 half-moves
2 Ra8 win in 5 half-moves
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kbc7 draw
8 Ke8 draw
9 Rb8 draw
10 Kc6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kdc7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves