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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka4 win in 5 half-moves
3 Ra1 win in 5 half-moves
4 Rc1 win in 5 half-moves
5 Rh1 win in 5 half-moves
6 Kb4 win in 7 half-moves
7 Ka1 draw
8 Ka3 draw
9 Ka6 draw
10 Kb1 draw
11 Kb2 draw
12 Kb3 draw
13 Kb5 draw
14 Kb6 draw
15 Rd2 draw
16 Rd8 draw
17 Rd3 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves