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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg1 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Ka7 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh7 loss in 2 half-moves