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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Rb1 draw
5 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kbb6 loss in 2 half-moves
9 Kbc4 loss in 2 half-moves
10 Kbc6 loss in 2 half-moves
11 Kcb6 loss in 2 half-moves
12 Kcc4 loss in 2 half-moves
13 Kcc6 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves