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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kd8 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Ka6 win in 27 half-moves
8 Ra8 win in 27 half-moves
9 Kf8 win in 31 half-moves
10 Ka8 draw
11 Rc4 draw
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 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