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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Kb4 draw
4 Kc7 draw
5 Kc8 draw
6 Kd7 draw
7 Ke8 draw
8 Rc5 draw
9 Rc6 draw
10 Rc7 draw
11 Rc8 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Ka3 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves