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 Rf7 win in 3 half-moves
3 Rg7 win in 3 half-moves
4 Rh7 win in 3 half-moves
5 Rb7 draw
6 Rc7 draw
7 Rd7 draw
8 Ka5 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Kb5 loss in 1 half-moves
16 Kb6 loss in 1 half-moves
17 Kb7 loss in 1 half-moves