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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Ra8 draw
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh4 draw
9 Rh5 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kcc4 loss in 2 half-moves
16 Kcd5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kdc4 loss in 2 half-moves
20 Kdd5 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves