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 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Ra7 loss in 10 half-moves
18 Kd1 loss in 8 half-moves
19 Rb1 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves