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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Kb3 win in 7 half-moves
4 Kcc3 win in 7 half-moves
5 Kcc5 win in 7 half-moves
6 Kdc3 win in 7 half-moves
7 Kdc5 win in 7 half-moves
8 Kdd3 win in 7 half-moves
9 Kdd5 win in 7 half-moves
10 Ke3 win in 7 half-moves
11 Ke4 win in 7 half-moves
12 Ke5 win in 7 half-moves
13 Rb1 win in 7 half-moves
14 Rb2 win in 7 half-moves
15 Rb6 win in 7 half-moves
16 Kb5 draw
17 Kcd3 draw
18 Kcd5 draw
19 Ra4 draw
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves