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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka7 draw
3 Kb6 draw
4 Rb5 draw
5 Rb6 draw
6 Rf7 draw
7 Rg7 draw
8 Rh7 draw
9 Ra7 loss in 8 half-moves
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves