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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 K4a5 draw
3 K4b5 draw
4 K6a5 draw
5 K6b5 draw
6 Ka3 draw
7 Ka7 draw
8 Kb3 draw
9 Kb7 draw
10 Ra8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rb5 draw
15 Rg8 draw
16 Kb4 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves