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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Kb6 draw
7 Kb8 draw
8 Ra7 draw
9 Rf4 draw
10 Rf5 draw
11 Rf6 draw
12 Rf8 draw
13 Rg7 draw
14 Rh7 draw
15 Ka5 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves