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 Rb6 win in 1 half-moves
3 Ra4 win in 5 half-moves
4 Rb1 draw
5 Kb3 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kcc3 loss in 2 half-moves
8 Kcc5 loss in 2 half-moves
9 Kcd3 loss in 2 half-moves
10 Kcd5 loss in 2 half-moves
11 Kdc3 loss in 2 half-moves
12 Kdc5 loss in 2 half-moves
13 Kdd3 loss in 2 half-moves
14 Kdd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves