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 Ra7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb6 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves