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 Rb3 win in 3 half-moves
3 Ka1 draw
4 Ka3 draw
5 Kab1 draw
6 Kab2 draw
7 Kab3 draw
8 Kc1 draw
9 Kc3 draw
10 Kcb1 draw
11 Kcb2 draw
12 Kcb3 draw
13 Kd1 draw
14 Kd2 draw
15 Kd3 draw
16 Ra8 draw
17 Rb2 draw
18 Rb4 draw
19 Rg8 draw
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves