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

EGTB: win in 6 half-moves

# move score
1 Ka7 win in 5 half-moves
2 Rb3 win in 5 half-moves
3 Kb3 win in 7 half-moves
4 Kaa5 draw
5 Kab5 draw
6 Kb6 draw
7 Kbb5 draw
8 Ra2 draw
9 Rb1 draw
10 Rh2 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kba5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves