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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Rb8 win in 9 half-moves
6 Ra8 win in 17 half-moves
7 Ka4 draw
8 Rc1 draw
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves