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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 K3b4 draw
4 K5b4 draw
5 Rb4 draw
6 Rb7 draw
7 Rb8 draw
8 Rf1 draw
9 Rg1 draw
10 Rh1 draw
11 Ka2 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 K3a4 loss in 1 half-moves
24 K5a4 loss in 1 half-moves