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 5 half-moves
4 Rd2 draw
5 Re4 draw
6 Re7 draw
7 Re8 draw
8 Rh2 draw
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kba7 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves