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 Rc8 win in 3 half-moves
4 Ka5 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Ka6 draw
7 Kaa7 draw
8 Kab7 draw
9 Kb8 draw
10 Kba7 draw
11 Kbb7 draw
12 Kc7 draw
13 Rc1 draw
14 Rc3 draw
15 Rc7 draw
16 Rd2 draw
17 Rh2 draw
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves