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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Re8 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Ra1 win in 5 half-moves
6 Ra3 win in 5 half-moves
7 Kc2 draw
8 Kc3 draw
9 Kc4 draw
10 Kd2 draw
11 Kd4 draw
12 Kde2 draw
13 Ke1 draw
14 Ke3 draw
15 Ke4 draw
16 Kfe2 draw
17 Kg1 draw
18 Ra2 draw
19 Ra6 draw
20 Ra7 draw
21 Rb8 draw
22 Kf2 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves