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 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Ra7 loss in 1 half-moves