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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Ka6 win in 5 half-moves
4 Kb6 win in 9 half-moves
5 Ra4 win in 9 half-moves
6 Ka3 draw
7 Kaa4 draw
8 Kb3 draw
9 Kba4 draw
10 Kbb5 draw
11 Kc3 draw
12 Kc4 draw
13 Kc5 draw
14 Ra2 draw
15 Rb1 draw
16 Rd1 draw
17 Re1 draw
18 Ra3 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves