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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh5 draw
10 K1c2 loss in 2 half-moves
11 K1d2 loss in 2 half-moves
12 K1e2 loss in 2 half-moves
13 K3c2 loss in 2 half-moves
14 K3d2 loss in 2 half-moves
15 K3e2 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke1 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves