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 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Rh2 draw
7 Rh3 draw
8 Rh8 draw
9 K2b2 loss in 2 half-moves
10 K2b3 loss in 2 half-moves
11 K2d2 loss in 2 half-moves
12 K2d3 loss in 2 half-moves
13 K3b2 loss in 2 half-moves
14 K3b3 loss in 2 half-moves
15 K3d2 loss in 2 half-moves
16 K3d3 loss in 2 half-moves
17 Kb1 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc1 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves
28 Rh6 loss in 2 half-moves