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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kcb1 win in 3 half-moves
3 Kcb2 win in 3 half-moves
4 Kd1 win in 3 half-moves
5 Kd2 win in 3 half-moves
6 Kd3 win in 3 half-moves
7 Rb1 win in 3 half-moves
8 Rd1 win in 3 half-moves
9 Ka2 draw
10 Kab1 draw
11 Kab2 draw
12 Kc3 draw
13 Re1 draw
14 Rf1 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves