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 Kc3 win in 3 half-moves
3 Kd1 win in 3 half-moves
4 Kd2 win in 3 half-moves
5 Ke2 win in 3 half-moves
6 Rd8 win in 19 half-moves
7 Ka3 draw
8 Ka4 draw
9 Ka5 draw
10 Kb5 draw
11 Kc4 draw
12 Kc5 draw
13 Kf1 draw
14 Kf2 draw
15 Ra8 draw
16 Rb8 draw
17 Rc1 draw
18 Rc2 draw
19 Rc3 draw
20 Rc7 draw
21 Re8 draw
22 Rf8 draw
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves