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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Re7 draw
6 Rh2 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Ka4 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kab4 loss in 2 half-moves
13 Kab5 loss in 2 half-moves
14 Kab6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kcb4 loss in 2 half-moves
18 Kcb5 loss in 2 half-moves
19 Kcb6 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh8 loss in 2 half-moves