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 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Ka6 draw
6 Ka8 draw
7 Kb1 draw
8 Kb3 draw
9 Kb7 draw
10 Kb8 draw
11 Kc1 draw
12 Kc2 draw
13 Kc3 draw
14 Ra1 draw
15 Rc1 draw
16 Rd2 draw
17 Rd3 draw
18 Rd4 draw
19 Rd5 draw
20 Re1 draw
21 Kb6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves