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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Ke7 draw
7 Ra8 draw
8 Rb8 draw
9 Rc8 draw
10 Rg8 draw
11 Rh8 draw
12 Kb5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves