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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra7 win in 7 half-moves
3 Rc7 win in 7 half-moves
4 Rd7 win in 7 half-moves
5 Ka4 draw
6 Ka6 draw
7 Ka7 draw
8 Ka8 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Kc7 draw
14 Kc8 draw
15 Re2 draw
16 Re6 draw
17 Re8 draw
18 Re1 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves