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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Rf6 win in 5 half-moves
3 Kf6 win in 9 half-moves
4 Kb4 win in 11 half-moves
5 Ka5 win in 15 half-moves
6 Rf8 win in 21 half-moves
7 Kf4 draw
8 Ra7 draw
9 Rh7 draw
10 Ka3 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves