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