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 Kb4 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rc1 win in 5 half-moves
5 Ka1 draw
6 Ka3 draw
7 Ka4 draw
8 Ka6 draw
9 Kb1 draw
10 Kb2 draw
11 Kb5 draw
12 Kb6 draw
13 Rc8 draw
14 Rd2 draw
15 Re2 draw
16 Rf2 draw
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves