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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kcd7 draw
5 Kcd8 draw
6 Ke8 draw
7 Ked7 draw
8 Ked8 draw
9 Kf7 draw
10 Kf8 draw
11 Ra7 draw
12 Rb1 draw
13 Rb8 draw
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd7 loss in 2 half-moves