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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Kd7 win in 3 half-moves
8 Rb8 win in 3 half-moves
9 Rc7 win in 3 half-moves
10 Rd8 win in 3 half-moves
11 Kc5 win in 5 half-moves
12 Ra8 draw
13 Re8 draw
14 Rh8 draw
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves