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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kcc7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kb7 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Kdc7 win in 5 half-moves
8 Kdd8 win in 5 half-moves
9 Ke6 win in 5 half-moves
10 Ke7 win in 5 half-moves
11 Ke8 win in 5 half-moves
12 Rb4 win in 5 half-moves
13 Rb5 win in 5 half-moves
14 Kcd8 draw
15 Ra8 draw
16 Rb7 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves