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 Rb1 draw
3 Kb4 loss in 2 half-moves
4 Kc3 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kcc5 loss in 2 half-moves
7 Kcd4 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kdc5 loss in 2 half-moves
11 Kdd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Kb3 loss in 1 half-moves
22 Rb3 loss in 1 half-moves