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 Kd6 draw
3 Kd8 draw
4 Ke6 draw
5 Ke8 draw
6 Rc2 draw
7 Rc6 draw
8 Rc8 draw
9 Ke7 loss in 6 half-moves
10 Rc4 loss in 6 half-moves
11 Rc5 loss in 6 half-moves
12 Kc6 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves