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 Kgh7 win in 3 half-moves
3 Kf8 draw
4 Kgg7 draw
5 Khg7 draw
6 Khh7 draw
7 Rd3 draw
8 Re1 draw
9 Re2 draw
10 Re4 draw
11 Re5 draw
12 Re6 draw
13 Rf3 draw
14 Rg3 draw
15 Rh3 draw
16 Ra3 loss in 1 half-moves
17 Rb3 loss in 1 half-moves
18 Rc3 loss in 1 half-moves
19 Re7 loss in 1 half-moves
20 Re8 loss in 1 half-moves