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 Kd4 win in 3 half-moves
3 Re8 win in 7 half-moves
4 Rf8 win in 7 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb5 draw
8 Kb6 draw
9 Kd3 draw
10 Ke2 draw
11 Ke4 draw
12 Kf2 draw
13 Kf3 draw
14 Kf4 draw
15 Rc3 draw
16 Rc4 draw
17 Rc5 draw
18 Rc6 draw
19 Rc7 draw
20 Rd8 draw
21 Rg8 draw
22 Rh8 draw
23 Kd2 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rc2 loss in 2 half-moves