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 Ke7 draw
3 Ke8 draw
4 Kf8 draw
5 Kg6 draw
6 Kg7 draw
7 Kg8 draw
8 Ra1 draw
9 Ra2 draw
10 Ra6 draw
11 Ra8 draw
12 Ke6 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves