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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kc7 draw
3 Kd7 draw
4 Rb7 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf4 draw
9 Rf5 draw
10 Rf8 draw
11 Kd8 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kb7 loss in 1 half-moves