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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kab2 draw
5 Kab3 draw
6 Kab4 draw
7 Kc2 draw
8 Kc4 draw
9 Kcb2 draw
10 Kcb3 draw
11 Kcb4 draw
12 Kd2 draw
13 Kd3 draw
14 Ra8 draw
15 Rb1 draw
16 Rb3 draw
17 Rb4 draw
18 Rc8 draw
19 Rd8 draw
20 Rh8 draw
21 Kd4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves