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 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Ra7 draw
7 Rb3 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Rb8 loss in 30 half-moves
12 Rb5 loss in 18 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb6 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