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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Re1 draw
3 Rf1 draw
4 Rg1 draw
5 Ka3 loss in 2 half-moves
6 Kab2 loss in 2 half-moves
7 Kab3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kcb2 loss in 2 half-moves
12 Kcb3 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves