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 Rc2 win in 3 half-moves
4 Re7 win in 5 half-moves
5 Re8 win in 5 half-moves
6 Ka5 draw
7 Ka8 draw
8 Kaa6 draw
9 Kab7 draw
10 Kb5 draw
11 Kb8 draw
12 Kba6 draw
13 Kbb7 draw
14 Kc5 draw
15 Kc6 draw
16 Kc7 draw
17 Rd2 draw
18 Re1 draw
19 Re3 draw
20 Rf2 draw
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves