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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Kb2 win in 5 half-moves
4 Ra3 win in 5 half-moves
5 Ka2 draw
6 Kb1 draw
7 Kd2 draw
8 Kd3 draw
9 Ke2 draw
10 Kf2 draw
11 Kf3 draw
12 Rb3 draw
13 Rc4 draw
14 Rc5 draw
15 Kd4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves