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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc8 draw
3 Kd1 draw
4 Kd2 draw
5 Kd3 draw
6 Kd7 draw
7 Ke1 draw
8 Ke3 draw
9 Ke7 draw
10 Ke8 draw
11 Ra1 draw
12 Ra2 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Rc7 draw
17 Rd7 draw
18 Re7 draw
19 Kc7 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves