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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Ka7 draw
6 Kb2 draw
7 Kb4 draw
8 Kb7 draw
9 Kb8 draw
10 Kc2 draw
11 Kc3 draw
12 Kc4 draw
13 Rb7 draw
14 Rc7 draw
15 Rd1 draw
16 Rd8 draw
17 Re7 draw
18 Rf7 draw
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves