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 Ka4 win in 5 half-moves
3 Kb4 win in 5 half-moves
4 Rc7 win in 5 half-moves
5 K5b5 win in 7 half-moves
6 K5b6 win in 7 half-moves
7 Rd7 win in 7 half-moves
8 Rh7 win in 7 half-moves
9 K6b5 draw
10 K6b6 draw
11 Kb7 draw
12 Ra8 draw
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves