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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Ka7 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Kb7 win in 5 half-moves
7 Rc7 win in 5 half-moves
8 Rc8 win in 5 half-moves
9 Ka4 draw
10 Ka5 draw
11 Ka6 draw
12 Kb4 draw
13 Kc4 draw
14 Kc5 draw
15 Kc6 draw
16 Rc1 draw
17 Rc3 draw
18 Rd2 draw
19 Re2 draw
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves