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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Kb5 win in 5 half-moves
4 Rd8 win in 7 half-moves
5 Re8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves