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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Rb3 draw
9 Rb4 draw
10 Rd7 draw
11 Re7 draw
12 Rc7 loss in 10 half-moves
13 Kb5 loss in 8 half-moves
14 Ra7 loss in 8 half-moves
15 Kb4 loss in 6 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rf7 loss in 1 half-moves