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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Rg1 win in 1 half-moves
4 Kb1 win in 9 half-moves
5 K2b2 loss in 2 half-moves
6 K2b3 loss in 2 half-moves
7 K3b2 loss in 2 half-moves
8 K3b3 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves