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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb5 draw
6 Kbb3 draw
7 Kc5 draw
8 Rc5 draw
9 Rc6 draw
10 Rc7 draw
11 Rc8 draw
12 Kc2 loss in 2 half-moves
13 Kcb3 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves