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

EGTB: win in 4 half-moves

# move score
1 Rh1 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Rh2 draw
7 Rh7 draw
8 Rh8 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kcc1 loss in 2 half-moves
13 Kcc3 loss in 2 half-moves
14 Kcd1 loss in 2 half-moves
15 Kcd3 loss in 2 half-moves
16 Kdc1 loss in 2 half-moves
17 Kdc3 loss in 2 half-moves
18 Kdd1 loss in 2 half-moves
19 Kdd3 loss in 2 half-moves
20 Ke1 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves