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

EGTB: win in 6 half-moves

# move score
1 Rh7 win in 5 half-moves
2 Ra4 draw
3 Rd4 draw
4 Re4 draw
5 Rf4 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh8 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh3 loss in 2 half-moves