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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Ka7 draw
6 Kb3 draw
7 Kb5 draw
8 Kb7 draw
9 Kb8 draw
10 Kc3 draw
11 Rb7 draw
12 Rc7 draw
13 Rd2 draw
14 Rd8 draw
15 Rh7 draw
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves