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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 K4b4 draw
4 K5b4 draw
5 K5b5 draw
6 Ka3 draw
7 Ra8 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb7 draw
13 Rc8 draw
14 Rg8 draw
15 Rh8 draw
16 K4b5 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Rb5 loss in 1 half-moves
19 Rb6 loss in 1 half-moves
20 Rd8 loss in 1 half-moves
21 Re8 loss in 1 half-moves
22 Rf8 loss in 1 half-moves