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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 draw
3 Kgg7 draw
4 Kgh7 draw
5 Khg7 draw
6 Khh7 draw
7 Rd5 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re4 draw
12 Rf5 draw
13 Rg5 draw
14 Rh5 draw
15 Ra5 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves