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 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Kb3 draw
5 Kc3 draw
6 Ke2 draw
7 Ke3 draw
8 Kf2 draw
9 Kg2 draw
10 Kg3 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Kb1 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb8 loss in 2 half-moves