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 K5d5 draw
3 K5f5 draw
4 K5f6 draw
5 K6f6 draw
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 K6d5 loss in 2 half-moves
13 K6f5 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 K5d6 loss in 1 half-moves
18 K6d6 loss in 1 half-moves
19 Kd4 loss in 1 half-moves
20 Kf4 loss in 1 half-moves
21 Ra4 loss in 1 half-moves
22 Rc4 loss in 1 half-moves
23 Rd4 loss in 1 half-moves