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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Kc2 draw
7 Kd2 draw
8 Ke2 draw
9 Ra3 draw
10 Rb3 draw
11 Rc2 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves