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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 K1a2 win in 7 half-moves
3 K1b2 win in 7 half-moves
4 Kb3 win in 7 half-moves
5 Kb4 win in 9 half-moves
6 K3a2 draw
7 K3b2 draw
8 Ka4 draw
9 Kb1 draw
10 Rc1 draw
11 Rd1 draw
12 Re2 draw
13 Re3 draw
14 Re8 draw
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 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