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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ra7 draw
3 Rc7 draw
4 Rd2 draw
5 Rd3 draw
6 Rd4 draw
7 Rd5 draw
8 Rg7 draw
9 Rh7 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves