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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Rh8 win in 1 half-moves
4 Ka6 draw
5 Ka7 draw
6 Kb6 draw
7 Kb8 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rb8 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves