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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Ka7 draw
3 Kb4 draw
4 Kb7 draw
5 Kb8 draw
6 Kd3 draw
7 Rb1 draw
8 Rc3 draw
9 Rd1 draw
10 Re1 draw
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Kc3 loss in 1 half-moves