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 Ra6 draw
3 Re6 draw
4 Rf6 draw
5 Rg6 draw
6 Rh1 draw
7 Rh2 draw
8 Rh4 draw
9 Rh5 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kh1 loss in 2 half-moves
24 Kh2 loss in 2 half-moves
25 Kh3 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc6 loss in 2 half-moves
28 Rd6 loss in 2 half-moves
29 Rh7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves