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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Kf2 draw
9 Kf4 draw
10 Kg2 draw
11 Kg3 draw
12 Kg4 draw
13 Ra4 draw
14 Rb2 draw
15 Rb3 draw
16 Rb5 draw
17 Rh4 draw
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves