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 Rh1 win in 7 half-moves
7 K2b2 draw
8 K2b3 draw
9 Kb1 draw
10 Rc1 draw
11 Rg1 draw
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Rf1 loss in 2 half-moves