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 Kcb7 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Rd8 win in 3 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kbb7 draw
9 Kc6 draw
10 Kd8 draw
11 Re8 draw
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves