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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ra2 draw
3 Re2 draw
4 Rf2 draw
5 Rg2 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh8 draw
10 K4b5 loss in 2 half-moves
11 K4c5 loss in 2 half-moves
12 K4d5 loss in 2 half-moves
13 K6b5 loss in 2 half-moves
14 K6c5 loss in 2 half-moves
15 K6d5 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Kd6 loss in 2 half-moves
25 Kd7 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rc2 loss in 2 half-moves
28 Rd2 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh4 loss in 2 half-moves