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