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 Rb7 win in 3 half-moves
4 Rb4 draw
5 Re3 draw
6 Rf3 draw
7 Rg3 draw
8 Rh3 draw
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kba7 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves