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 Ra7 draw
3 Kb4 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kcc4 loss in 2 half-moves
6 Kcc6 loss in 2 half-moves
7 Kcd4 loss in 2 half-moves
8 Kcd6 loss in 2 half-moves
9 Kdc4 loss in 2 half-moves
10 Kdc6 loss in 2 half-moves
11 Kdd4 loss in 2 half-moves
12 Kdd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves