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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Kf1 draw
7 Kf3 draw
8 Kg1 draw
9 Kg2 draw
10 Kg3 draw
11 Rf3 draw
12 Rf4 draw
13 Rf5 draw
14 Rf6 draw
15 Rf8 draw
16 Rg7 draw
17 Rh7 draw
18 Kb7 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re7 loss in 2 half-moves