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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Ke4 draw
6 Ke5 draw
7 Ra6 draw
8 Rc6 draw
9 Re6 draw
10 Kd4 loss in 4 half-moves
11 Ke6 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves