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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Kde7 draw
6 Kde8 draw
7 Kf8 draw
8 Kfe7 draw
9 Kfe8 draw
10 Kg7 draw
11 Kg8 draw
12 Ra1 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves