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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rc1 draw
3 Rd1 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Ka3 loss in 1 half-moves
13 Kb3 loss in 1 half-moves