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

EGTB: win in 4 half-moves

# move score
1 Rc3 win in 3 half-moves
2 Kc3 draw
3 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Kd6 draw
7 Kd8 draw
8 Ke3 draw
9 Ke6 draw
10 Ke7 draw
11 Ke8 draw
12 Ra3 draw
13 Rb1 draw
14 Rb7 draw
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb8 loss in 2 half-moves