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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ka2 win in 7 half-moves
3 Kb3 win in 7 half-moves
4 Kd1 win in 7 half-moves
5 Kd2 win in 7 half-moves
6 Ra4 win in 7 half-moves
7 Rb1 win in 7 half-moves
8 Rb2 win in 7 half-moves
9 Ka4 draw
10 Kb2 draw
11 Kd3 draw
12 Ke1 draw
13 Ke3 draw
14 Kf1 draw
15 Kf2 draw
16 Kf3 draw
17 Rb5 draw
18 Rc4 draw
19 Rg4 draw
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves