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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Ra6 draw
3 Rd6 draw
4 Re6 draw
5 Rf6 draw
6 Rh1 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg2 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves