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 Rb8 win in 1 half-moves
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Kb3 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kc3 loss in 1 half-moves
14 Kc5 loss in 1 half-moves
15 Kd6 loss in 1 half-moves
16 Kd7 loss in 1 half-moves
17 Kd8 loss in 1 half-moves
18 Ke6 loss in 1 half-moves
19 Ke8 loss in 1 half-moves
20 Kf6 loss in 1 half-moves
21 Kf7 loss in 1 half-moves
22 Kf8 loss in 1 half-moves
23 Ra4 loss in 1 half-moves