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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rb2 win in 5 half-moves
3 Rb6 win in 7 half-moves
4 Rb8 win in 7 half-moves
5 Kc1 draw
6 Kc2 draw
7 Ke4 draw
8 Rb7 draw
9 Rc4 draw
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Kc3 loss in 1 half-moves
21 Kc4 loss in 1 half-moves
22 Kc5 loss in 1 half-moves