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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re3 draw
3 Rf3 draw
4 Rg3 draw
5 Ka5 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kaa7 loss in 2 half-moves
8 Kab7 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kba7 loss in 2 half-moves
12 Kbb7 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves