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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kf5 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Rf5 win in 3 half-moves
5 Re6 win in 7 half-moves
6 Kgg4 draw
7 Kgg6 draw
8 Kgh4 draw
9 Kgh6 draw
10 Khg4 draw
11 Khg6 draw
12 Khh4 draw
13 Khh6 draw
14 Rd5 draw
15 Re1 draw
16 Re7 draw
17 Re8 draw
18 Ra5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves