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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Ka3 draw
3 Kaa1 draw
4 Kab2 draw
5 Kb3 draw
6 Kba1 draw
7 Kbb2 draw
8 Kc1 draw
9 Kc2 draw
10 Rd1 draw
11 Re7 draw
12 Re2 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves