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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Re7 win in 5 half-moves
4 Re8 win in 7 half-moves
5 Ka4 draw
6 Ka6 draw
7 Ka7 draw
8 Ka8 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Kc8 draw
14 Rc2 draw
15 Rd2 draw
16 Re1 draw
17 Re3 draw
18 Kc7 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves