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