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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Rb1 win in 7 half-moves
3 Ka1 draw
4 Ka3 draw
5 Kb1 draw
6 Kc1 draw
7 Kc2 draw
8 Ke1 draw
9 Ra3 draw
10 Rb2 draw
11 Rb7 draw
12 Rb8 draw
13 Rc3 draw
14 Rg3 draw
15 Kd2 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rh3 loss in 2 half-moves