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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kd3 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Rd2 win in 3 half-moves
7 Kd2 win in 19 half-moves
8 Rc4 win in 19 half-moves
9 Ra2 win in 21 half-moves
10 Ke2 win in 25 half-moves
11 Ka4 draw
12 Ka6 draw
13 Kb6 draw
14 Ke4 draw
15 Kf2 draw
16 Kf3 draw
17 Rc1 draw
18 Rc3 draw
19 Rc8 draw
20 Re2 draw
21 Rf2 draw
22 Kf4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves