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

EGTB: win in 2 half-moves

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