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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kcd7 draw
6 Kcd8 draw
7 Ke7 draw
8 Ked7 draw
9 Ked8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra7 draw
13 Rc7 draw
14 Rg7 draw
15 Rh1 draw
16 Rh2 draw
17 Rh4 draw
18 Rh5 draw
19 Rh6 draw
20 Rh8 draw
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rh3 loss in 2 half-moves