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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 K2b3 draw
6 K4b3 draw
7 Rb3 draw
8 Rc6 draw
9 Rf6 draw
10 Rg6 draw
11 Rh6 draw
12 Ka1 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 K2a3 loss in 1 half-moves
24 K4a3 loss in 1 half-moves