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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 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 Ra1 draw
12 Rb2 draw
13 Rc1 draw
14 Rh1 draw
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves