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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rc4 draw
4 Ka4 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Kc4 loss in 1 half-moves
17 Re4 loss in 1 half-moves