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 Rc7 win in 3 half-moves
3 Rd7 win in 3 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kcc7 draw
7 Kcd7 draw
8 Kdc7 draw
9 Kdd7 draw
10 Ke7 draw
11 Ke8 draw
12 Ra7 draw
13 Rh1 draw
14 Rh6 draw
15 Rh8 draw
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves