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 Rb3 win in 3 half-moves
3 Rc1 win in 7 half-moves
4 Ka1 draw
5 Ka3 draw
6 Ka4 draw
7 Ka6 draw
8 Kb1 draw
9 Kb2 draw
10 Kb4 draw
11 Kb5 draw
12 Kb6 draw
13 Ra3 draw
14 Rc2 draw
15 Rc7 draw
16 Rd3 draw
17 Rh3 draw
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves