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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc7 draw
7 Kc8 draw
8 Kcc6 draw
9 Kcd6 draw
10 Kd4 draw
11 Kd5 draw
12 Kd8 draw
13 Kdc6 draw
14 Kdd6 draw
15 Ke6 draw
16 Ke7 draw
17 Ke8 draw
18 Rf1 draw
19 Rf5 draw
20 Rf6 draw
21 Rf8 draw
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh7 loss in 2 half-moves