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