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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Kg6 draw
11 Kg7 draw
12 Kg8 draw
13 Kh6 draw
14 Kh8 draw
15 Rf3 draw
16 Rf4 draw
17 Rf5 draw
18 Rf6 draw
19 Rf8 draw
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg7 loss in 2 half-moves