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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Ra3 draw
3 Rd3 draw
4 Re3 draw
5 Rf3 draw
6 Rh4 draw
7 Rh5 draw
8 Rh7 draw
9 Rh8 draw
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kdd8 loss in 2 half-moves
15 Kde7 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ked8 loss in 2 half-moves
18 Kee7 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves