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 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd2 draw
8 Kd3 draw
9 Ra7 draw
10 Rb2 draw
11 Rc7 draw
12 Rd7 draw
13 Rf7 draw
14 Kd1 loss in 18 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 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 Re7 loss in 1 half-moves