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 Rb4 win in 3 half-moves
3 K4a5 draw
4 K4b5 draw
5 K6a5 draw
6 K6b5 draw
7 Ka3 draw
8 Ka7 draw
9 Kb3 draw
10 Kb7 draw
11 Ra8 draw
12 Rb1 draw
13 Rb2 draw
14 Rb5 draw
15 Rc8 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 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves