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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb1 draw
3 Rb4 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Re3 draw
8 Rf3 draw
9 Rg3 draw
10 Rh3 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves