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

EGTB: win in 12 half-moves

# move score
1 Ra8 win in 11 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Kb3 draw
7 Kb6 draw
8 Kc3 draw
9 Kc6 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb7 draw
16 Rc8 draw
17 Rd8 draw
18 Rh8 draw
19 K4d4 loss in 2 half-moves
20 K4d5 loss in 2 half-moves
21 K5d4 loss in 2 half-moves
22 K5d5 loss in 2 half-moves
23 Kd3 loss in 2 half-moves
24 Kd6 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves