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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 K5b5 draw
6 K5b6 draw
7 K6b5 draw
8 K6b6 draw
9 Ka4 draw
10 Ka7 draw
11 Kb4 draw
12 Kb7 draw
13 Ra3 draw
14 Rb8 draw
15 Rc3 draw
16 Rd3 draw
17 Rh3 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves