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 K3b2 win in 7 half-moves
3 K3b3 win in 7 half-moves
4 Ka4 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Rc1 win in 7 half-moves
7 Rd1 win in 7 half-moves
8 K2b2 draw
9 K2b3 draw
10 Kb1 draw
11 Re1 draw
12 Rf1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves