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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rb6 win in 5 half-moves
3 Kb3 win in 7 half-moves
4 Kb2 win in 13 half-moves
5 Kb4 win in 13 half-moves
6 Kc2 draw
7 Kc4 draw
8 Kd2 draw
9 Kd3 draw
10 Kd4 draw
11 Ke2 draw
12 Ke3 draw
13 Ke4 draw
14 Kf2 draw
15 Kf4 draw
16 Kg2 draw
17 Kg3 draw
18 Kg4 draw
19 Ra6 draw
20 Rc5 draw
21 Rh6 draw
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rg6 loss in 2 half-moves