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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kd8 draw
3 Rd8 draw
4 Re8 draw
5 Rf2 draw
6 Rf7 draw
7 Rg8 draw
8 Rh8 draw
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Kb8 loss in 1 half-moves