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 Kg7 draw
6 Kg8 draw
7 Ra7 draw
8 Rc6 draw
9 Rc8 draw
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rc5 loss in 1 half-moves