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

EGTB: win in 12 half-moves

# move score
1 Ra4 win in 11 half-moves
2 Ka3 draw
3 Ka6 draw
4 Kaa4 draw
5 Kab5 draw
6 Kb3 draw
7 Kb6 draw
8 Kba4 draw
9 Kbb5 draw
10 Kc3 draw
11 Kc4 draw
12 Kc5 draw
13 Ra1 draw
14 Rb2 draw
15 Rc2 draw
16 Rd2 draw
17 Rh2 draw
18 Ra3 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves