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 draw
3 Kb4 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rd6 draw
9 Rf6 draw
10 Rg6 draw
11 Rh6 draw
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Re6 loss in 2 half-moves