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 Kcc5 win in 3 half-moves
3 Kdc5 win in 3 half-moves
4 Rh3 win in 3 half-moves
5 Rh5 win in 3 half-moves
6 Rb6 win in 5 half-moves
7 Rh4 win in 5 half-moves
8 Kb3 draw
9 Kb4 draw
10 Kcc3 draw
11 Kcd3 draw
12 Kdc3 draw
13 Kdd3 draw
14 Ke3 draw
15 Ke4 draw
16 Ra6 draw
17 Rc6 draw
18 Rg6 draw
19 Rh1 draw
20 Rh2 draw
21 Kcd5 loss in 2 half-moves
22 Kdd5 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves