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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Rb2 draw
7 Rb6 draw
8 Rd7 draw
9 Kb4 loss in 4 half-moves
10 Ra7 loss in 4 half-moves
11 Rc7 loss in 4 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Re7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves